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All4Stages Slim 4-in-1 Convertible Car Seat

Name: All4Stages Slim 4-in-1 Convertible Car Seat
Brand: Evenflo
Price: 229.99 USD
Availability: InStock
Rating: 4.2 (238 reviews)

4.2 · 238 reviews via Shopify’s catalogSource: Evenflo® Company, Inc · checked Oct 17, 2026

In stock

Do you want only one car seat from birth to booster? Say hello to the All4Stages™ Slim 4-in-1 Convertible Car Seat! As a parent, life gets busy — Do you want only one car seat from birth to booster? Say hello to the All4Stages™ Slim 4-in-1 Convertible Car Seat! As a parent, life gets busy — the All4Stages car seat allows you to seamlessly transfer between family cars or rentals for an easy, on-the-go solution. The streamlined 16.9 in. footprint saves space for other passengers or allows you to fit three car seats across in your backseat. All4Stages Slim can be used for up to 10 years through four different modes: Rear-Facing (4 - 40 lb), Forward-Facing (30 - 65 lb), High-Back Booster (40 - 100 lb), and No-Back Booster (40 - 120 lb). Achieve a secure installation with up to 50% less effort with SecureTight™. The 12-position headrest and no-rethread harness both adjust with one hand for convenience. There are four rear-facing recline options and two forward-facing recline options for optimal positioning and improved vehicle fit. Two removable, dishwasher-safe cupholders provide easy, portable snacking. The All4Stages Slim Car Seat achieves flexibility for parents with a space-saving and easy-to-install design! The All4Stages Slim 4-in-1 Convertible Car Seat meets or exceeds all applicable Federal Safety Standards as well as federal side impact standards effective in June of 2025 for children under 40 pounds. In addition to federally required testing, it is structural integrity tested, rollover tested and temperature tested If you need help installing your car seat, our ParentLink® Consumer Care Team offers help online in real time. Get live video support with a certified car seat safety technician to assist with proper vehicle installation, so you can drive with confidence. Families have trusted Evenflo for more than 100 years for smart, innovative gear designed to make life easier, safer and more comfortable at home and on the go. Let us help you save time and find peace of mind, so you can focus on what matters most: your child.

Color

$229.99

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Evenflo is the only Shopify seller we matched for this exact item today.

5 other sellers list similar Evenflo items from $79.99.

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38 similar car seats compared

This 4-in-1 convertible car seat offers a compact design for multi-child vehicles at a lower price point than most, though it is rated slightly lower.

16.9 inch width
10-year use life
cheaper than most
no-rethread harness
2 colors

Price

$229.99

Cheaper than 35 of 38 similar car seats

Rating

4.2 ★

More reviews than 12 of 20 similar car seats

238 reviews · typical: 4.8 ★

Best for

small vehicle interiors
families needing three-across seating
long-term child transport

Worth knowing

rated lower than typical car seats
only available in two colors
heavy at 23.6 pounds

Price & stock: Checked today

Compared with 38 similar car seats from 17 sellers on Shopify, using their listed prices, ratings and specs. The summary is AI-written from the listing and these numbers; confirm details with the seller.

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Details

Key features & specs

Four-in-one design transitions from rear-facing to forward-facing, high-back booster, and no-back booster for up to 10 years of use
16.9 inch wide footprint saves space and allows three car seats to fit across in most vehicles
SecureTight system with 12-position headrest and no-rethread harness enables up to 50% less installation effort
One-handed adjustable recline options for both rear-facing and forward-facing positions improve comfort and fit
Removable dishwasher-safe cupholders provide convenient, portable snacking

Rear-facing mode weight limit: 4–40 lb (0–4 years)
Forward-facing mode weight limit: 30–65 lb (2–6 years)
High-back booster mode weight limit: 40–100 lb (5–10 years)
No-back booster mode weight limit: 40–120 lb (5+ years)
Rear-facing mode height limit: 4-inAs stated by Evenflo® Company, Inc
Forward-facing mode height limit: 4-inAs stated by Evenflo® Company, Inc
Assembled dimensions: 16.9 in W x 24.3 in H x 22 in D
Assembled weight: 23.6 lb

Summarized from Shopify’s product catalog. Where Evenflo® Company, Inc states a different figure, we show Evenflo® Company, Inc’s.

Seller description

Features

" alt="All4Stages Slim 4-in-1 Convertible Car Seat - Feature 1" loading="lazy" width="" height="" > GET THE ONLY CAR SEAT YOU NEED: Slim, 16.9 in. wide car seat grows with you from birth to booster with four modes: Rear-Facing (4 - 40 lb), Forward-Facing (30 - 65 lb), High-Back Booster (40 - 100 lb), and No-Back Booster (40 - 120 lb) alt="All4Stages Slim 4-in-1 Convertible Car Seat - Feature 2" FIT 3-ACROSS IN YOUR BACKSEAT: The streamlined 16.9 in. footprint saves space for passengers or allows you to fit three car seats across in your backseat — without sacrificing safety, comfort or style alt="All4Stages Slim 4-in-1 Convertible Car Seat - Feature 3" INSTALL WITH EASE: Achieve a secure installation with up to 50% less effort with SecureTight alt="All4Stages Slim 4-in-1 Convertible Car Seat - Feature 4" ADJUST EASILY: 12-position headrest and a no-rethread harness easily adjust with one hand to keep little riders comfy as they grow

Product details

Materials

Cleaning Instructions: DO NOT lubricate or immerse in water any part of this child restraint, unless rinsing is permitted plastic and metal parts may be wiped clean with mild soap and water and dried with a soft cloth.
Machine washable: Yes