SIZE: 32x29x42cm /12.60x11.41x16.54in; MATERIAL: PU Leather + Polyester. WEIGHT RECOMMENDATION: Suitable for the dog is less than 5kg [11lb] weight, cat is under 7.5kg [16lb]. THE BUBBLE WINDOW is very futuristic looking and allows the dog /cat to see the outside without stepping out. A GOOD LOOK: Space Capsule Style + Transparent Window Design, and you can wear the backpack either on your back or in your front. FEATURES: It has 2 zippered sides with multiple air holes and 2 mesh screens on the sides, air holes on the front, rubber feet at the bottom, handle on top and padded back and 'S' shoulder straps for comfort.