Top and sides are made of hard EVA material with mesh openings for ventilation. Features sturdy construction with a nylon exterior that is lightweight, waterproof and easy to clean. Jespet Small Pet Carrier with Size of 16''L x 10''W x 11''H. Compliant with most Airlines and best suited for kittens, puppies, teacup breeds smaller than 8 pounds. Comes with a removable pad for comfort and easy cleaning. Storage space so you can treat your pet while on the go. Adjustable shoulder strap so you can adjust to your perfect fit. Includes 3 big pockets to store treats, collars, leashes or other travel gear. Lightweight and Durable enough for parents to outdoor with dogs, cats. The side zipper opening allows you to easily reach your pet. Fleece pad on the inside provides your paw-tner with much needed comfort. Mesh on top & side doors for both ventilate and comfortable for pets.