top and 1 Side Expandable 17x11x11 Soft-Sided Pet Carrier - Airline

In this review the carrier is judged as a practical travel solution for owners of very small dogs and small-medium cats who need a reliable underseat option. The single biggest reason to buy is the expandable design that converts from 17x11x11 in to 17x11x14.5 in, giving pets more headroom and visibility while still meeting Delta and American/United underseat guidelines in most cases. The review focuses on fit, build quality and airline compatibility so buyers can decide whether this specific soft-sided carrier matches their travel needs.

Key Features

• Airline approved size: Sized at 17L x 11W x 11H in to meet Delta and American/United underseat requirements while remaining compact for cabin storage.
• Expandable top: A 3.5 in expandable top raises the carrier to 14.5 in total height to give a restless pet extra space during non-cabin moments.
• Side expansion: Accordion-style side expansion increases interior volume for short car rides or waiting at the gate without collapsing the structure.
• Sturdy construction: Two metal frames and a hard wood bottom pad prevent collapse and bottom sinking for steadier transport.
• Safe closures and tether: Double zipper locks, a built-in tether, and anti-scratch mesh increase security and airflow for calmer travel.
• Practical extras: Removable washable padding, adjustable shoulder strap and two zip pockets make carrying and storage easier on short trips.

Who It's For

This carrier is best for owners of very small dogs and small-medium cats who prioritize airline compatibility with Delta, American and United and need a soft-sided carrier that still feels roomy at the gate or in the car. It is suited to puppies or cats shorter than 16 in and generally under 8-12 lbs depending on body shape.

Owners of medium or large dogs, or anyone flying with airlines that require lower height limits, should look elsewhere; this model is explicitly not approved by some carriers and is too small for larger pets. Always measure your pet's length first, as length is more important than weight for fit under a seat.

Pros & Cons

Pros

• Expandable top and side panels provide meaningful extra space when allowed and improve pet comfort.
• Solid build with metal frames, metal hooks and a hard wood bottom pad increases durability and prevents collapse.
• Good airflow and five-sided mesh in the expandable top gives pets a 360 degree view and breathability.
• Zippers, pockets and a tether add practical convenience for travel and vet visits.

Cons

• Not approved by several airlines with stricter height rules, so check carrier policies before buying.
• Best suited to pets shorter than 16 in; it is not suitable for medium or large adult dogs or cats.

Specifications

Brand	pidipiti
Model size	17L x 11W x 11H in (expands to 14.5 in high)
Expanded height	17 x 11 x 14.5 in (11 + 3.5 in)
Recommended pet length	Under 16 in
Recommended pet weight	Dogs 8-10 lbs; cats up to 12 lbs (measure length first)
Materials / features	Metal frames, anti-scratch mesh, hard wood bottom pad, washable padding
Warranty	1 year limited warranty

Our Verdict

This carrier is a strong choice for someone needing a compact, durable soft-sided option that expands for comfort and meets Delta and American/United underseat size expectations. It offers good airflow, sturdy construction and useful travel features, making it a sensible value for small-pet owners who measure their animal carefully and confirm airline rules in advance.

Frequently Asked Questions

Is this carrier approved for most airlines?
It is approved for Delta, American and United based on the stated dimensions, but it is not approved by several other carriers with lower height limits; check your airline before travel.

What size pet will fit comfortably?
Pets should be shorter than 16 in in length and generally under 8-10 lbs for dogs or up to 12 lbs for cats; length is more important than weight for fit.

Can the padding be cleaned?
The soft padding in the bottom is removable and washable by hand to keep the carrier fresh between trips.