Prettysell Pet Dog Puppy Cat Carrier Five Holes Backpack Double Shoulder Straps Canvas Cotton Front Chest Backpack Bag-Large,Leopard Infant-style design keep the head, tail and legs outside makes this carrier an excellent choice for toting around smaller-sized pets; Backpack design can reduce your shoulder pressure and let your hands free; Self-fastening hook and loop closures guarantee safe transport; You can carry your dogs and cat easily with the adjustable shoulder strap; Size S: Allowable pet weight (kg/lb): 0-2.5kg / 0-5.5lbs. Size M: Allowable pet weight (kg/lb): 2.5-4kg / 5.5-8.8lbs. Size L: Allowable pet weight (kg/lb): 4-7kg / 15.5-lbs.