# High\-back and backless booster seats: age, weight and ratings Which booster car seats are suitable for a young toddler? None of the checked facts states that any of these booster seats suits a young toddler\. The age guidance for each seat is listed below\. Axkid UP: Intended for ages 4\-12\. The store's listing gives a weight range of 40\-120 lbs and a height range of 43\.3\-60 inches, while the maker's site gives 100\-150 cm and up to 50 kg; the sources disagree on these limits\. Joie Baby Basil 2\-in\-1: The Basil 2\-in\-1 transitions between high\-back and backless modes and is designed for children aged 4 to 12\. Maxi\-Cosi Tanza \(BC197\): The store gives an approximate recommended age of 4–10 years\. DIONO Everett NXT: The store describes it as suitable from approximately 4 to 12 years, subject to the size limits\. A caution on the DIONO Everett NXT: Consumer Reports cautioned that the tested model had no stated minimum age, potentially encouraging premature booster use; the store, however, now says approximately ages 4–12\. ### 1. [Axkid UP](/products/ucp/strolleria-com/8133450301514) (sold by strolleria\.com) Intended for ages 4\-12\. The store's listing gives a weight range of 40\-120 lbs and a height range of 43\.3\-60 inches, while the maker's site gives 100\-150 cm and up to 50 kg; the sources disagree on these limits\. - Age guidance: Intended for ages 4\-12\. The store's listing gives a weight range of 40\-120 lbs and a height range of 43\.3\-60 inches, while the maker's site gives 100\-150 cm and up to 50 kg; the sources disagree on these limits\. (listing) - Weight limits: The steel frame makes it feel heavy; the reviewer confirms it is about 21 lb or 20\.94 lb\. (review) - Rating: Scored 89/100 overall; performance 13/15, quality and durability 14/15, ease of use 12/13, value 11/15, safety 10/10, ease of installation 10/10, comfort 9/10, adjustability 10/10\. (review) ### 2. [Joie Baby Basil 2\-in\-1](/products/ucp/strolleria-com/7897046843466) (sold by strolleria\.com) The Basil 2\-in\-1 transitions between high\-back and backless modes and is designed for children aged 4 to 12\. - Age guidance: The Basil 2\-in\-1 transitions between high\-back and backless modes and is designed for children aged 4 to 12\. (listing) - Weight limits: The sources disagree: Strolleria's feature list gives a highback range of 40–100 lb, while its specifications, the Joie manual, The Car Mom and Consumer Reports give 40–110 lb; the manual gives backless use as 40–120 lb, while Strolleria, The Car Mom and Consumer Reports give 50–120 lb\. (guide) - Rating: Consumer Reports gives an overall score of 62; in its expert lab tests booster fit with back scored 4/5, booster fit no\-back 3/5, and ease of use 3/5\. (review) ### 3. [Maxi\-Cosi Tanza \(BC197\)](/products/ucp/anbbaby-com/9891220226334) (sold by anbbaby\.com) The store gives an approximate recommended age of 4–10 years\. - Age guidance: The store gives an approximate recommended age of 4–10 years\. (guide) - Weight limits: It is designed for children weighing 40–100 lb and measuring 43\.4–57 inches tall\. (guide) - Rating: - ### 4. [DIONO Everett NXT](/products/ucp/anbbaby-com/4481323106390) (sold by anbbaby\.com) The store describes it as suitable from approximately 4 to 12 years, subject to the size limits\. - Age guidance: The store describes it as suitable from approximately 4 to 12 years, subject to the size limits\. (guide) - Weight limits: The store lists the seat weight as 8\.9 lb \(4\.05 kg\), while Consumer Reports lists 11 lb; the sources disagree\. (guide) - Rating: Consumer Reports rated high\-back booster fit 5/5, described belt fit as excellent and recorded a pass for structural integrity\. (review) ## Also cited in the text - DIONO Everett NXT, Age concern: Consumer Reports cautioned that the tested model had no stated minimum age, potentially encouraging premature booster use; the store, however, now says approximately ages 4–12\. (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 2026-10-14T21:05:53.381Z. 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. 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