Diono Ultra Mat XXXL Extra Large Car Seat Protector, Black | 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. Where a step is done per product, the line ends with what is done for this product.

• Deep research: We read the maker's manual, independent reviews, video review transcripts and the store's own page, and publish each finding with its source and the date read. check_product returns them with a source for each. This product: 11 checked facts, research depth trimmed read, checked 2026-09-25T05:59:09.386Z, in the evidence pack.
• Receipts: Every published fact has a receipt showing its source quote. check_product and get_product return the checked facts that have one. This product: each checked fact listed below has one; the source quotes are in the evidence pack.
• Safety: check_product asks the product-safety regulators live (US CPSC, NHTSA and FDA, Health Canada, the UK's OPSS, Australia's ACCC) whether a recall names a product, listed here or not, and flags a match with its notice; a recall never blocks the buyer. This product: this page holds no recall result for it yet; check_product asks the regulators now.
• Recall watch: watch_recalls tells the buyer if a product bought here is recalled later.
• Second-hand listings: check_listing runs the same recall check on a second-hand listing someone found, and adds what the listing leaves out and the price new.
• The real price: The full price to the buyer's country, with shipping and tax, each part quoted from the store's policy or, where a part is not settled, what the total depends on: check_product and search_catalog take the buyer's country and postcode. This product: this store's price was read from its catalogue at 2026-10-18T19:50:07.465Z.
• A checkout that finishes: RoboTrunk lists only stores whose agent checkout it has verified. create_checkout prepares the order at the store; complete_checkout returns a link to the store's own checkout. The checkout can be finished in either of two ways: the person taps the link in their own browser, or their agent opens it and completes the checkout. RoboTrunk checks the store's total against a budget ceiling before it issues the link. Payment always happens on the store's own page, and RoboTrunk never holds the money. No store pays for placement; RoboTrunk may earn a commission from some stores via their affiliate programs.
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• Maker's manual: ask_product_manual answers from the maker's manual with the exact passage and page, or says the manual does not cover it.
• Tools and guide: Every tool and its description is at https://robotrunk.com/mcp; the guide is at /agents.md.
• Research from other stores: Coming soon: reading other stores' listings of the same product as research sources.

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. 11 checked facts, checked 2026-09-25T05:59:09.386Z. Research depth: trimmed read. Deep read: the store's own data and 5 outside pages (the store's own product page; forum; regulator recall search (CPSC (United States)); regulator recall search (Health Canada); regulator recall search (ACCC Product Safety Australia)), 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, ACCC Product Safety Australia: The supplied CPSC search returned no records for Diono Ultra Mat XXXL/model 40244. The supplied Health Canada results concern other Diono products, not this protector. The ACCC feed contained no Diono or Ultra Mat XXXL matches, although it covered only the 100 most recent recalls.

• Coverage: It is designed to cover the entire back seat and protect upholstery from dirt, scratches, and everyday wear.. Source: https://anb-baby.myshopify.com/products/diono-ultra-mat-xxxl-extra-large-car-seat-protector-black (guide), read 2026-09-25T05:35:30.592Z.
• Seat-gap coverage: A Mercedes V-Class owner reports using this XXXL protector on a three-seat bench and says it prevents items or debris from slipping into the gaps between the seats.. Source: https://www.motor-talk.de/forum/v-klasse-tips-von-familienkutscher-zu-familienkutscher-t6501738.html?page=4 (review), read 2026-09-25T05:35:37.526Z.
• Materials: The protector uses five layers of high-strength, water-resistant material, an anti-slip backing, and an Oxford-fabric outer finish.. Source: https://anb-baby.myshopify.com/products/diono-ultra-mat-xxxl-extra-large-car-seat-protector-black (guide), read 2026-09-25T05:35:30.592Z.
• Care: Stains can be wiped off with a damp cloth.. Source: https://anb-baby.myshopify.com/products/diono-ultra-mat-xxxl-extra-large-car-seat-protector-black (guide), read 2026-09-25T05:35:30.592Z.
• Safety testing: Diono says the protector has been crash tested.. Source: https://anb-baby.myshopify.com/products/diono-ultra-mat-xxxl-extra-large-car-seat-protector-black (guide), read 2026-09-25T05:35:30.592Z.
• Seat orientation: The listing says it is suitable beneath both rear-facing and forward-facing car seats.. Source: https://anb-baby.myshopify.com/products/diono-ultra-mat-xxxl-extra-large-car-seat-protector-black (guide), read 2026-09-25T05:35:30.592Z.
• Car-seat compatibility: The retailer claims compatibility with all car seats, including three-across arrangements and the Diono Radian All-in-One Convertible series.. Source: https://anb-baby.myshopify.com/products/diono-ultra-mat-xxxl-extra-large-car-seat-protector-black (guide), read 2026-09-25T05:35:30.592Z.
• Other uses: It may also be used to protect seats when carrying pets.. Source: https://anb-baby.myshopify.com/products/diono-ultra-mat-xxxl-extra-large-car-seat-protector-black (guide), read 2026-09-25T05:35:30.592Z.
• Storage: Mesh pockets provide storage for travel essentials.. Source: https://anb-baby.myshopify.com/products/diono-ultra-mat-xxxl-extra-large-car-seat-protector-black (guide), read 2026-09-25T05:35:30.592Z.
• Model identification: The black Ultra Mat XXXL has SKU DIO40244GL01 and UPC/GTIN 677726402441.. Source: https://anb-baby.myshopify.com/products/diono-ultra-mat-xxxl-extra-large-car-seat-protector-black (guide), read 2026-09-25T05:35:30.592Z.
• Warranty: The retailer advertises a full manufacturer warranty but does not state its duration or terms.. Source: https://anb-baby.myshopify.com/products/diono-ultra-mat-xxxl-extra-large-car-seat-protector-black (guide), read 2026-09-25T05:35:30.592Z.

The full evidence pack, with every citation, source and gap.

Questions we researched but could not confirm

Every fact above is cited. To find them we read the store listing, owner forums and the recall records of CPSC (United States), Health Canada and ACCC Product Safety Australia. 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.

• What are the protector’s exact dimensions?
• How much does the protector weigh?
• How thick is the five-layer construction?
• How does the Oxford fabric feel to the touch?
• Does the finish or backing rub off or mark leather upholstery?
• How is the protector secured to the vehicle seat?
• Are tools required for installation?
• Does it interfere with ISOFIX or LATCH anchor access?
• Does it obstruct seat-belt buckles in a three-across setup?
• Does it fit contoured, split-folding, or individual rear seats without bunching?
• Does it protrude beyond the seat edges in smaller vehicles?
• What components are included in the package?
• What are the manufacturer warranty duration and terms?
• Which specific crash-test protocol or safety standard was used?
• What parts tend to wear, tear, or break over long-term use?

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
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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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