product Name: Pet backpack dog cat travel backpack product size: small size width 30cm height 34cm thickness 16cm medium width 36cm height 44cm thickness 21cm large width 41cm height 55cm thickness 25cm weight: small size 0.4kg large 0.45kg oversized 0.6kg color: Rose Red, blue, black, green, orange red can be folded in half package, folded in half size width unchanged height folded in half