# Rear\-facing weight limits of the listed convertible car seats What is the upper weight limit for a child riding rear\-facing in a convertible car seat, and how do the listed seats compare? Britax Poplar ClickTight: The video says the Canadian Poplar includes an anti\-rebound bar while the US anti\-rebound bar is only on the Poplar S, and that Canadian rear\-facing is 5\-40 lb while US is 5\-50 lb\. Britax Poplar S ClickTight: Sources disagree: Britax Canada lists rear\-facing use at 2\.3–18\.1 kg \(5–40 lb\), while BabyGearLab, The Car Seat Pros and Safe in the Seat give a 50 lb rear\-facing maximum\. Nuna RAVA: Rear\-facing use is for children 5 to 40 lb and 49 in or less; forward\-facing use is for 25 to 65 lb and 49 in or less\. ### 1. [Britax Poplar ClickTight](/products/ucp/lovemedobaby-com/7240954380422) (sold by lovemedobaby\.com) The video says the Canadian Poplar includes an anti\-rebound bar while the US anti\-rebound bar is only on the Poplar S, and that Canadian rear\-facing is 5\-40 lb while US is 5\-50 lb\. - Rear\-facing limit: The video says the Canadian Poplar includes an anti\-rebound bar while the US anti\-rebound bar is only on the Poplar S, and that Canadian rear\-facing is 5\-40 lb while US is 5\-50 lb\. (review) - Width: Aggregated owner feedback praises ClickTight, the slim 17\-inch shell, rear\-facing to 50 lb, six recline positions and washable fabrics\. (review) - Dimensions: - ### 2. [Britax Poplar S ClickTight](/products/ucp/lovemedobaby-com/7000029003910) (sold by lovemedobaby\.com) Sources disagree: Britax Canada lists rear\-facing use at 2\.3–18\.1 kg \(5–40 lb\), while BabyGearLab, The Car Seat Pros and Safe in the Seat give a 50 lb rear\-facing maximum\. - Rear\-facing limit: Sources disagree: Britax Canada lists rear\-facing use at 2\.3–18\.1 kg \(5–40 lb\), while BabyGearLab, The Car Seat Pros and Safe in the Seat give a 50 lb rear\-facing maximum\. (guide) - Width: The Car Seat Pros describes a 17\-inch width, 18\-inch top harness slots and a 14\-position headrest; sources disagree on maximum harness height, with Britax Canada listing 17\-inch top harness slots\. (blog) - Dimensions: The video measures rear\-facing 28\.5 inches long at deepest recline, 17 inches wide and 22\.5 inches tall; forward\-facing 27\.5 inches long, 17 inches wide and 23\.5 inches tall, extending to 30\.5 inches maximum height; a cup holder adds about 1\.5 inches of width\. (review) ### 3. [Nuna RAVA](/products/ucp/lovemedobaby-com/2008380538950) (sold by lovemedobaby\.com) Rear\-facing use is for children 5 to 40 lb and 49 in or less; forward\-facing use is for 25 to 65 lb and 49 in or less\. - Rear\-facing limit: Rear\-facing use is for children 5 to 40 lb and 49 in or less; forward\-facing use is for 25 to 65 lb and 49 in or less\. (guide) - Width: The seat measures 27 in high, 19 in wide and 27\.25 in long\. (guide) - Dimensions: Measured with everything included: about 29\.5 in long and 20\.75 in high rear\-facing, 23\.5 in long at deepest recline forward\-facing, 19 in wide, plus roughly 6 in of extra height with the headrest fully raised\. (review) Every value in the table is a fact RoboTrunk checked, linked to the page it came from\. A dash means no checked fact fills that cell\. Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live\. Written 2026-10-25T17:01:56.393Z. 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. Where the rest of this site is: - /agent/story.md is what RoboTrunk is and how it works, in full. - /agent/tools.json is every tool, its arguments and its answers. - /agent/merchants is every store you can buy from through RoboTrunk. - /products/ucp is every store's indexed products. - /products/search is one search across every store, in plain words. - [What RoboTrunk is](/agent/story.md) - [Every tool, in your browser through WebMCP](/agent) - [The tools and how to call them](/agent/tools.json) - [The stores you can buy from](/agent/merchants) - [Every store's products](/products/ucp) - [Search every store at once](/products/search)