Specifications: Made from high quality material with fine workmanship, it is durable and strong. Comes with adjustable padded straps for reducing the burden. Magical tape design makes it more convenient for you to use. Head out design on the top of the backpack keeps your pet stick their head out, makes breathe smoothly and enjoy the entertainment with you. There are mesh cloth type and canvas type for you to choose. Item Name: Pet Backpack Material: Canvas, Metal Buckle/Mesh Cloth, Metal Buckle Features: Breathable, Wide Shoulder Straps, Head Out Design, Pet Supply [Our Size S] Bust: 30cm/11.8", Back Length: 25-28cm/9.9"-11.0", Recommended Weight: 1.3kg (Approx.) [Our Size M] Bust: 25-43cm/9.9"-16.9", Back Length: 29-34cm/11.4"-13.4", Recommended Weight: 1.25-1.75kg (Approx.) [Our Size L] Bust: 36-50cm/14.2"-19.7", Back Length: 31-38cm/12.2"-15.0", Recommended Weight: 1.75-3.25kg (Approx.) [Our Size XL] Bust: 43-65cm/16.9"-25.6", Back Length: 39-43cm/15.4"-16.9", Recommended Weight: 2.75-4.5kg (Approx.) Notes: Please refer to our size chart and choose the right size. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Package Includes: 1 x Pet Backpack (Pets Not Included)