# Convertible car seats made without flame retardant treatment

Which convertible car seats are made without flame retardant treatment?

Cybex Callisto T 360: CYBEX gives the age range as newborn up to about 10 years, maximum child height 57 inches, child weight from 4 lbs up to 120 lbs, group all\-in\-one convertible seat, and fire\-retardant chemical\-free fabric\. Britax One4Life Slim: The cover is machine washable and dryable, naturally flame retardant, and has no added FR chemicals\.

### 1. [Cybex Callisto T 360](/products/ucp/albeebaby-com/9592960418023) (sold by albeebaby\.com)

CYBEX gives the age range as newborn up to about 10 years, maximum child height 57 inches, child weight from 4 lbs up to 120 lbs, group all\-in\-one convertible seat, and fire\-retardant chemical\-free fabric\.

- Flame retardant: CYBEX gives the age range as newborn up to about 10 years, maximum child height 57 inches, child weight from 4 lbs up to 120 lbs, group all\-in\-one convertible seat, and fire\-retardant chemical\-free fabric\. (guide) <https://www.cybex-online.com/en/us/p/cs-pl-callisto-t-360-sensorsafe-3.html>
- Installation: CYBEX describes the Callisto T 360 as installing in seconds, rotating 360 degrees, and being 37% safer in a crash with luxury fabrics\. (guide) <https://www.cybex-online.com/en/us/platinum-callisto-t-360-us.html>

### 2. [Britax One4Life Slim](/products/ucp/megababiesusa-com/8648873214206) (sold by megababiesusa\.com)

The cover is machine washable and dryable, naturally flame retardant, and has no added FR chemicals\.

- Flame retardant: The cover is machine washable and dryable, naturally flame retardant, and has no added FR chemicals\. (guide) <https://us.britax.com/shop/car-seats/one4life-slim-all-in-one-car-seat/variant/3835632>
- Installation: ClickTight installation is described as a three\-step process: open, thread and buckle, then click closed\. (guide) <https://top-stroll.myshopify.com/products/britax-one4life-slim-all-in-one-car-seat-1>

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Written 2026-10-20T01:01:47.339Z.

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