Dimensions - Exterior: 13"L x 12"W x 20"H - handle adds 21" In height when fully extended. Interior: 12"L x 11"W x 18"H - Weight capacity: pets up to 10 lbs (approximate). Please see product images for more detailed Dimensions. Approved by most airlines - it's approved by most airlines, but please double check with your airline. Smooth spinning wheels - easy motion two-wheeled platform allows for easy maneuvering through airports, airplane aisles, malls, supermarkets, etc 3 different ways to carry - telescoping handle, strap handle and Backpack straps provide 3 Easy and convenient carrying solutions for different everyday needs. Lots of storage - 2 large pockets are perfect for safely storing the stuff your pet can never be without.