Breathable Sling: The dog sling is made of premium anti-scratch fabric, and the backpack design of pet sling is different from the back bag, which can free the pet from tight bondage, providing a sense of space freedom while breathable and comfortable Adjustable Carrier: This dog sling carrier with a drawstring closure design can be flexibly adjusted to suit different pet sizes. The widened and breathable pads are designed to take pressure off your shoulders, and the adjustable shoulder strap of the small dog sling is suitable for most people Safety Design: Feature with safety leash to better guarantee pet safety. The outer zipper pocket and detachable pet pad of puppy carrier are designed to meet the multi-functional needs of travel. Leash locks are designed to free your hands while walking your dog Recommend Size: The dog slings for small dogs is designed for small and medium pets within 15.8" x 9.5" x 11.4" and 20 lbs. Please do not choose the cat carrier sling only based on pet weight, reference your pets' length and height in selecting a pet sling size Wide Application: Please measure your pet's length of back, neck girth and weight according to the size chart in the second picture before purchase. The hand-free design make it perfect for everyday use such as shopping, biking, traveling and mountain climbing