CozyCabin Latest Style Comfortable Dog Cat Pet Carrier Backpack Travel Carrier Bag Front for Small Dogs Carrier Bike Hiking Outdoor PLEASE NOTE SIZE : Dimensions in inches: Size M (top width 7.8 bottom width 12.0 height 13.3 neck hole size 7.1-18.8 weight within 6.6 lbs ) , Size L (top width 8.0 bottom width 14.2 height 15.7 neck hole size 7.2-21.2 weight within 8.8 lbs) , Size XL (top width 8.6" bottom width 14.9" height 17.7" neck hole size 7.0"-22.8", weight within 12 lbs). Suitable for Cat, Mini poodle, Mini Schnauzer, Mini Teddy, animals, Chihuahua, Yorkshire, Pomeranian, Minlature Pinscher and other similar size pets. Wonderful backpack for you to carry your pet dog cat go out and travel. The front hole is adjustable with drawstring according to your pets' size. Material: high quality sandwich mesh fabric and oxford fabric,soft shoulder adjustable straps is good to reduce the burden. The buckle design inside the carrier can connect with pet's collar which will prevent pet get out, and protect the safe of pet.