Proper SizeBefore ordered please measure your pet Size ,size details please check below product description.If your dog happens to be 7.5lb or 14lb,to make your dog feel more comfortable, It is recommended to purchace one bigger size for it. Material:100% polyester material,durable and comfortable.Machine washable.Two mesh side panels allow maximum air circulation. Zippers on the two sides make your pet easy-in and easy-out. Design Details:Legs-out and tail-out design keep your dog safe and comfortable when you carry your cat or dog around. Convenience:Adjustable wide straps easier for you to wear and reduce pressure on your shoulders.Convenient for cycling,traveling,shopping,and walking outdoor with your pet. Target Audience:Best suited for small medium pets puppy dog cat bunny,Hands-free and front pack design to make your pet enjoy a soothing stroll with head out. It is a great gift for your cute lovely pet.Room for legs and busy tail out of the pet carrier make your pet comfortable