Pet Carriers about this project Comfortable and Breathable The dog carrier bag is made of large-area breathable mesh material, which can keep your pet's body dry and not stuffy, and reduce restlessness. We've also added breathable mesh in the crotch area to protect baby boys from belly rubbing. Keep Your Pet Safe Backpack design with legs out and tail out protects your pet and maintains flexibility; Thickened EPE foam pads and buttons move the stress point down from your pet's throat to chest and abdomen , to improve the comfort and safety of pets. Reduce Your Burden Thickened shoulder pad sponge and adjustable seat belt buckles on the chest and waist help you balance the weight and wear more comfortably. Easy to Wear and Use This dog carrier backpack has an adjustable full buckle, easy to put on and take off. Unbuckle the buckle and you can quickly put your pet's limbs and tail in place, then put it on, fasten the buckle and adjust the strap for a perfect fit. Pay attention to size selection The hands-free dog front backpack is specially designed for small and medium dogs and cats, we strongly recommend it for small dogs weighing less than 35 lbs (too heavy will bring a great burden to the owner). Please refer to the size chart in the pictures before purchasing Take Your Pet Out The dog carrier bag is lightweight, soft and wear-resistant. Can be worn on the front or back as you prefer, easily fits Dogs, Cats, Chihuahuas, Miniature Poodles, Yorkshire Terriers, Miniature Schnauzers, Shih Tzus, Pomeranians, Havanese, Miniature Teddy, Miniature Doberman Pinschers and most other small to medium dog pets. Great for shopping, hiking, biking and other outdoor activities. In addition, it is also a great gift for pet lovers on birthdays, New Years, Christmas and other festivals. Bag size: S: Dog body circumference 26cm (10.24in)* chest 39-47cm (15.35in-18.5in) * leg room 12-14cm (4.72in-5.5in) M: Dog body length approx. 31cm (12.2")* Chest 52-70cm (20.47"-27.56")* Legroom 15-18cm (5.9"-7.09") L: Dog body length approx. 41cm (16.14in)* Chest 60-78cm (23.62in-30.7in) * Legroom 19-22cm (7.48in-8.66in) XL: Dog Body 54cm (21.26in)* Chest 66-86cm (25.98in-33.86in)* Legroom 25-29cm (9.8in-11.42in) Package: 1PC Dog Carrier Bag Warm