Dear customer, if you need to customize the product, please contact the seller after placing the order and send the picture to the seller, we will customize the product for you according to your picture.【Material Description】100% polyester + stainless steel hook + buckle【Product performance】 Active beam mouth: The front opening of the backpack allows pet probes to flexibly adjust the size of the opening.Adjustable shoulder straps: Ergonomic decompression design, elastic, easy and comfortable to use.Breathable mesh: Use sports mesh, soft, elastic and breathable.【Applicable Scenarios】Small pet messenger bag, go out with pets, ride bicycles, etc.