Creation Core Durable Legs Out Pet Front Carrier Pet Travel Carrier Cat Dog Backpack Portable Outdoor Pet Bag Made of high quality canvas, durable and beautiful outlook. very comfortable for both you and your pet Back has a hole can facilitate the tail of the pet from the inside out, this will be more comfortable Both sides have a zipper can facilitate the pet wear;Size M and L have breathable mesh, S don't have it. Pet infant carrier, free your hand when outdoor walking, running, jogging, shopping, etc. They will not feel alone Size S: Length:11.22" (28.5cm); Width:6.69" (17cm); Strap Width: 0.98"(2.5cm). Suitable for pets: Chest&lt;11.81 (30cm); Weight&lt; 5.51lb (2.5kg); Distance between front legs:3.93" (10cm); Distance between back legs: 7.08"(18cm)