# Britax Prism Full\-Size Travel System with Willow S Infant Car Seat \+ Alpine Base \| live price, prepared checkout ## Built for shopping agents: what RoboTrunk does for every product We asked shopping agents, including Meta's Muse first-hand, what they need from a store. This is what they asked for, and what we have built. RoboTrunk is working through its catalogue, so a step may not be done for this one yet. 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Sold and shipped by megababiesusa\.com, megababiesusa.com; payment happens on the store's own checkout. Brand: Britax ## Variants - Teak: USD 679.99; out of stock. Variant id: `gid://shopify/ProductVariant/48595648839934` - Seller: megababiesusa\.com. Price: USD 679\.99. Stock: out of stock. Variant: Teak, variant id `gid://shopify/ProductVariant/48595648839934`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://top-stroll.myshopify.com/products/britax-prism-full-size-travel-system-with-willow-s-infant-car-seat-and-alpine-base). [Comparison page](/compare/want/travel-system-strollers-approved-for-airplane-use). [Get ready to buy from megababiesusa\.com: prepare checkout](/checkout-prepare?merchant=megababiesusa-com&product_id=gid%3A%2F%2Fshopify%2FProduct%2F9375971868926&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F48595648839934). - Raven Black: USD 679.99; out of stock. Variant id: `gid://shopify/ProductVariant/48595648872702` - Seller: megababiesusa\.com. Price: USD 679\.99. Stock: out of stock. Variant: Raven Black, variant id `gid://shopify/ProductVariant/48595648872702`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://top-stroll.myshopify.com/products/britax-prism-full-size-travel-system-with-willow-s-infant-car-seat-and-alpine-base). [Comparison page](/compare/want/travel-system-strollers-approved-for-airplane-use). [Get ready to buy from megababiesusa\.com: prepare checkout](/checkout-prepare?merchant=megababiesusa-com&product_id=gid%3A%2F%2Fshopify%2FProduct%2F9375971868926&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F48595648872702). ## Checked facts Each fact below was checked against the source it cites before it was published. Each carries that source's link and the time RoboTrunk read it. 31 checked facts, checked 2026-10-17T23:37:41.259Z. Research depth: trimmed read. Deep read: the store's own data and 8 outside pages \(the store's own product page; maker page; manual; other; regulator recall search \(CPSC \(United States\)\); regulator recall search \(Health Canada\); official safety test results \(CREP, the Child Restraint Evaluation Program\); official safety test results \(NHTSA's Car Seat Ease of Use Ratings\)\), each read in full by RoboTrunk and trimmed to its main content, then written up and checked\. Facts from the maker or a manual quote the page word for word; what real users report is summarised with a link to the page read\. Recall status was checked directly with CPSC \(United States\), Health Canada: The CPSC recall search returned no records for this travel system\. The Health Canada open data holds 23 Britax records, but none names the Prism travel system, the Willow S or the Alpine base, so no recall is known to apply to this model\. Official safety test results were looked up directly with CREP, the Child Restraint Evaluation Program, NHTSA's Car Seat Ease of Use Ratings: NHTSA's Car Seat Ease of Use Ratings \(United States\): The Willow S infant car seat supplied in this system, model E1C993XDI made 2024\-07\-08, is listed in its rear\-facing mode with an overall 4 of 5 stars, 3 of 5 for securing the child, 5 of 5 for labels, 5 of 5 for vehicle installation features and 3 of 5 for instructions\. These are ease\-of\-use ratings, not crash\-test results, and the Prism stroller itself is not covered by this programme\. CREP, the Child Restraint Evaluation Program \(Australia and New Zealand\): CREP's published list of 216 rated seats contains no Prism, Willow S or Alpine base\. Its Britax entries are Australian Britax Safe\-N\-Sound seats such as the B\-Compaq iFix and Quick Fix, and the programme states its list is every seat it has rated, so this product has not been rated by CREP\. Not read, because they are member\-only or refused RoboTrunk: Consumer Reports car seat ratings, Which? child car seat tests, Which? pushchair tests, CHOICE pram and stroller tests, Stiftung Warentest pram and buggy tests, JPMA certified products\. - stroller weight \(store figure\): Retailer listings give the Prism weight as 27 lbs, which is heavier than the maker's 24\.38 lb figure\.. Source: (listing), read 2026-10-17T19:35:52.669Z. - care: The Willow S SafeWash fabrics are washer\- and dryer\-friendly\.. Source: (guide), read 2026-10-17T23:22:58.126Z. - stroller weight: Britax's own page gives the Prism stroller's weight as 11\.1 kg \(24\.38 lb\); the retailer listings state 27 lbs, so the two published figures disagree\.. Source: (guide), read 2026-10-17T23:23:01.639Z. - manuals and videos: Britax publishes user guides for the Prism stroller, the Willow S and the Alpine base, plus videos on assembling the stroller, reversing the all\-season insert and installing the seat\.. Source: (manual), read 2026-10-17T23:23:03.175Z. - what is in the box: Britax says nothing extra needs buying to use the system as designed: stroller, Willow S seat, Alpine base, adapters, bumper bar, all\-season insert and parent cup holder are all included\.. Source: (guide), read 2026-10-17T23:23:06.313Z. - recall check: A CPSC recall search under Britax returned no recall records for this travel system\.. Source: (guide), read 2026-10-17T23:23:07.427Z. - safety test: NHTSA's ease\-of\-use programme rated the Britax Willow S \(model E1C993XDI, made 2024\-07\-08, 4\-30 lb, up to 32 in\) in its rear\-facing mode 4 of 5 stars overall, with securing the child 3 of 5, labels 5 of 5, vehicle installation features 5 of 5 and instructions 3 of 5; this is the car seat supplied in the system, and the record is at https://api\.nhtsa\.gov/childSeats?dataSet=ratings\.. Source: (guide), read 2026-10-17T23:23:08.438Z. - stroller dimensions \(store figure\): Retailer listings give Prism dimensions of 43 inches high, 35\.4 inches deep and 23\.6 inches wide; Britax Canada gives unfolded dimensions of 42\.1 inches high, 41 inches long and 23\.6 inches wide, so the sources disagree\.. Source: (listing), read 2026-10-17T19:35:52.669Z. - flame retardancy: The retailer describes the car seat fabrics as naturally flame\-retardant and safe to wash and dry\.. Source: (guide), read 2026-10-17T23:22:58.126Z. - stroller dimensions unfolded: Britax Canada gives unfolded Prism dimensions of 104\.1 x 59\.9 x 106\.9 cm \(41 x 23\.6 x 42\.1 inches, L x W x H\); retailer listings give 35\.4 inches deep, 23\.6 inches wide and 43 inches high, so the sources disagree\.. Source: (guide), read 2026-10-17T23:23:01.639Z. - bassinet compatibility: The Zinnia bassinet works with the Prism but is not part of the box\.. Source: (guide), read 2026-10-17T23:23:06.313Z. - car seat plus base weight: Retailer listings give a Willow\-plus\-base weight of 19\.4 lb; Britax Canada lists the seat at 9\.9 lb and base at 8\.8 lb, totaling 18\.7 lb, so the sources disagree\.. Source: (listing), read 2026-10-17T19:35:52.669Z. - newborn insert: An infant insert pillow is included for babies under 11 lbs\.. Source: (guide), read 2026-10-17T23:22:58.126Z. - folded size: Folded without the seat, the Prism is 29 cm x 59\.9 cm x 80 cm \(11\.4" x 23\.6" x 30\.3"\)\.. Source: (guide), read 2026-10-17T23:23:01.639Z. - safety standards: Britax's FAQ says the Willow S is side\-impact tested according to FMVSS 213 and tested to FMVSS 213 frontal\-impact standards\.. Source: (guide), read 2026-10-17T23:23:06.313Z. - models and identifiers: The system comes in Teak \(SKU TD645T, GTIN 652182752088\) and Raven Black \(SKU TD647A, GTIN 652182752095\)\.. Source: (listing), read 2026-10-17T19:35:52.669Z. - air travel: The Willow S is certified for use on aircraft\.. Source: (guide), read 2026-10-17T23:22:58.126Z. - folded size with seat: Folded with the toddler seat fitted, it measures 45 cm x 59\.9 cm x 81 cm \(17\.7" x 23\.6" x 31\.9"\)\.. Source: (guide), read 2026-10-17T23:23:01.639Z. - clicking the seat onto the stroller: The car seat attaches parent\-facing or forward\-facing on the included adapters; Britax says to lift it gently afterwards to confirm it is fully engaged\.. Source: (guide), read 2026-10-17T23:23:06.313Z. - strolling modes: The retailer advertises six ways to stroll\.. Source: (guide), read 2026-10-17T23:22:58.126Z. - child limits for the stroller: The Prism seat is rated for children up to 22\.7 kg \(50 lb\) and 111\.8 cm \(44 in\) standing height\.. Source: (guide), read 2026-10-17T23:23:01.639Z. - accessory warning: Britax advises using only Britax\-approved accessories and spare parts, warning that third\-party add\-ons can add safety risks and void the warranty\.. Source: (guide), read 2026-10-17T23:23:06.313Z. - folding: The stroller folds in one step and stands on its own once folded\.. Source: (guide), read 2026-10-17T23:22:58.126Z. - child limits for the car seat: The Willow S is rear\-facing only, for children from 1\.81 to 13\.6 kg \(4\-30 lb\) and 43\.2 to 81\.3 cm \(17\-32 in\) tall\.. Source: (guide), read 2026-10-17T23:23:01.639Z. - storage: The under\-seat basket takes up to 22 lbs and there are extra pockets on the seat back and inside the seat\.. Source: (guide), read 2026-10-17T23:22:58.126Z. - car seat weight: Britax Canada lists the Willow S seat at 4\.5 kg \(9\.9 lb\) and Alpine base at 3\.99 kg \(8\.8 lb\), totaling 18\.7 lb; retailer listings give 19\.4 lb combined, so the sources disagree\.. Source: (guide), read 2026-10-17T23:23:01.639Z. - warranty: The retailer only says warranty claims must go to Britax; no warranty length or coverage is stated in any of the sources\.. Source: (guide), read 2026-10-17T23:22:58.126Z. - car seat dimensions: The Willow S outer size is 71\.37 cm x 42\.93 cm x 61\.24 cm \(28\.1" x 16\.9" x 24\.11"\)\.. Source: (guide), read 2026-10-17T23:23:01.639Z. - harness fit range: Harness slots sit at four heights from 5\.5 in to 11\.5 in, and the buckle strap adjusts between 2\.25 in and 5\.5 in\.. Source: (guide), read 2026-10-17T23:23:01.639Z. - seat interior size: Britax Canada lists the Prism seat area depth as 26\.5 cm \(10\.43 inches\)\.. Source: (guide), read 2026-10-17T23:23:01.639Z. - what kind of stroller it is: The Prism is a modular full\-size stroller that takes the infant car seat from birth and switches to a parent\- or forward\-facing toddler seat later\.. Source: (guide), read 2026-10-17T23:23:01.639Z. The full evidence pack, with every citation, source and gap: [evidence pack](/agent/evidence/megababiesusa-com--britax-prism-full-size-travel-system-with-willow-s-infant-car-seat-and-alpine-base) ## Questions we researched but could not confirm Every fact above is cited. To find them we read the store listing, the maker's page, the manual, other pages about it, the recall records of CPSC \(United States\) and Health Canada and the safety test results of CREP, the Child Restraint Evaluation Program and NHTSA's Car Seat Ease of Use Ratings and searched for regulator recall notices, owner reviews, blogs, owner forums and video reviews. We also chased the questions below across those sources and found no reliable answer, so you know exactly where the evidence ends and never have to guess. - How long is the warranty and what does it cover? - Does the leatherette handlebar wrap or the frame paint wear or rub off over time? - How thick and soft are the stroller and car seat fabrics in the hand? - Will the folded stroller fit in a small car boot or behind the third row? - Which other\-brand infant car seats fit the Prism adapters? - Does the stroller stand folded with the toddler seat still attached? - What is the Willow S car seat's expiry date or useful life? - Are canopies, inserts and wheels sold separately as spare parts? - Does the Willow S fit Britax strollers other than the Prism? - How much assembly is needed out of the box and which tools are required? To buy this through RoboTrunk, pass merchant `megababiesusa-com`, product_id `gid://shopify/Product/9375971868926` and one variant_id from the list above. Product image of Britax Prism Full\-Size Travel System with Willow S Infant Car Seat \+ Alpine Base, supplied by megababiesusa\.com: This product on megababiesusa.com: Retrieved 2026-10-23T19:35:47.897Z from This page is published by RoboTrunk, a store built for shopping agents. The store named on this page sells the product and ships it. RoboTrunk is not the seller and never holds the money. Buying works in one path. RoboTrunk's tools prepare a checkout at that store, then hand back a short-lived link. The person approves the total; once RoboTrunk has checked the store's total against it, the person is given the checkout link to tap in their own browser, or, if the person prefers and gives permission, their agent may open the link and finish there, and payment always happens on the store's own checkout page. RoboTrunk never takes the payment or sees a card. 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