Yoption Portable Puppy Cat Travel Front Backpack, Breathable Mesh Head out Design Padded Adjustable Double Shoulder Straps Outdoor Pet Bag Please Note the Size before you buy: L: 45(L)x30(W)cm, suitable for under 8kg pets. Contraction rope design: it could be 4cm/1.6" in minimum and 17cm/6.6" in maximum according to pet's head size. The pet Carrier Backpack is made of high quality Soft sandwich mesh fabric, environmental quality, no pungent taste. With Cotton mesh so it is comfortable ventilation. The buckle design inside the carrier can connect with pet's collar which will prevent pet get out, and protect the safe of pet Features mesh window for safety, ventilation and visibility, sturdy adjustable shoulder straps and comfort grip handle Adjustable buckle and pad on strap,with ultra-wide sponge shoulder strap, 7cm ultra-wide, waist belt reinforcement, will reduce shoulder weight, back up more portable, convenient. You needn't to take the bag with your hand, it will be a perfect gift to your love pets.