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Overview

The lightweight Diono Airi Highback Booster Seat fits kids 40–100 lbs / 43–57 in for daily travel and road trips. Featuring reinforced side impact protection and soft padding, it ensures safe, comfortable rides. This 4.1 lbs slim foldable seat supports 3-across vehicle fitting and easy trunk storage, perfect for multi-kid families with a removable, washable cover for simple cleaning.

Diono Airi High-Back Booster Seat, Ultra Lightweight & Travel Ready, 3-Seat Side-by-Side Fit, Full Side-Impact Safety, Black

Model: 55000-NA-01
Web Code: 19872882
Sold and shipped by | 3.2 seller rating (15 reviews)

Sale ends: *

Colour: Black

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Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Seller Return Policy

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Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What's included:

  • A Airi car seat and an instruction manual

Lightweight, Travel-Ready Booster Seat

The Diono Airi Highback Booster Seat is designed for growing children weighing 40–100 lbs and measuring 43–57 inches tall. Weighing just 4.1 lbs, this lightweight booster seat is easy to carry, install, and move between vehicles, making it ideal for busy families, carpools, vacations, and everyday travel.

Space-Saving Slim Design

Built with families in mind, the slim profile allows up to three seats to fit side-by-side in many vehicles, helping maximize back-seat space without compromising comfort. It is an excellent solution for multi-child households and compact vehicles.

Reliable Safety Protection

The Airi Highback Booster Seat features enhanced side impact protection and an integrated belt-positioning system that helps keep the vehicle seat belt properly aligned for a secure fit. Designed to provide dependable protection on every journey, it meets FMVSS 213B requirements and complies with the latest U.S. safety standards.

Comfortable for Everyday Use

Soft, supportive cushioning helps keep children comfortable during daily commutes and longer road trips. The ergonomic design provides lasting comfort while supporting proper seating posture as your child grows.

Easy to Clean and Store

Life with kids can be messy, so the premium fabric cover is removable and machine washable for easy maintenance. When not in use, the foldable design allows for convenient storage in the trunk or at home.

Combining safety, comfort, portability, and space-saving convenience, the Diono Airi Highback Booster Seat is a practical choice for families looking for a lightweight high back booster seat that is ready for everyday adventures.

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping may be available on orders over a minimum amount (before taxes, fees, and promo codes). Shipping charges may vary based on item size and your shipping address. Want a shipping charge estimate? Simply add an item to your cart, then access the cart and enter your postal code in the shipping estimate section.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • Quebec (Local)
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Car seats
Return/Exchange Period
30 days
Condition
Unopened

To protect the safety of our customers; this product cannot be returned if opened

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