Careful Design in Every Detail: Paw and tail hole design keeps your pet safe and comfortable. The hook-and-loop closure, zipper and elastic opening allow you to comfortably store your dog inside. Quick-release buckles at the end of the straps ensure quick one-handed installation. Customer Experience First: We always support our customers and do our best to meet your needs. We have made several upgraded improvements, such as thickening the shoulder sponge, using upgraded breathable mesh and polyester fiber material, which makes the carrying bag more durable and comfortable. Two Ways to Wear: The hands-free pet bag can be worn on the front or on the back if desired, it brings you closer and increases your pet's sense of security when carrying a cat or dog. At the same time, the thickened sponge cushion helps relieve the burden of your shoulder. Enjoying Travel with Pet: This backpack is lightweight and portable, you can use it to carry small dogs or cats for cycling, hiking, camping, walks or meeting friends. It allows owners and their lovely pets to have more adventures together. What's more, it's also a great photo prop for taking fun photos to share everyday. M: bust 41cm front and back leg distance 8cm leg circumference 15cm recommended weight 2.4-4.1kg L: chest circumference 48cm front and back leg distance 10cm leg circumference 20cm recommended weight 4.2-6kg Product material: Oxford cloth + mesh Product introduction product: the pet backpack is made of soft polyester fiber, the surface is cotton mesh, the breathability is good, the fabric is very soft and wear-resistant, will not let pets to feel the discomfort of friction. The front pet backpack can be opened on the top, with a magic sticker on the top, which can be adjusted according to the pet's neck. The extremities and the tail can be outside, there will be no feeling of restriction. The adjustable hole drawstring and soft mesh padded hole edge give the pet bag some stretch to help stretch the pet's fascia. Widened shoulder straps reduce the grip of pets and bags on the shoulders of the human body, making them easier to carry.