BREATHABLE, SOFT & DURABLE : The outside cloth of this pet ling carrier is made of Oxford cloth that is very easy to wash and to dry quickly. Besides, it can be used for a long time without easy abrasion. The lining of the pet sling carrier is constitutive of cotton fabric, which is strong, tough and breathable. Thereby giving you a different and comfortable experience. QUICK-RELEASE BUCKLE: The plastic side-release buckle on the pet sling carrier is designed to handle high impact and remain secure. In addition, this release buckle is also tough to withstand all weather conditions.Even in an emergency circumstances, you are able to release your dog's buckle quickly. ADJUSTABLE SHOULDER STRAP: Taking the size of different dogs into consideration,the shoulder strap that is capable to be adjusted to meet the needs of different size of your dog. You can regulate and control the length of the strap in an easy way. As a result, it is suitable for different sizes of the dogs from puppy, small dog to medium dog. KEEP YOUR DOG SAFE: There is a safety strap of this pet carrier bag, which can prevent your dogs or cats suddenly just jumping out of the pet sling carrier and this type of safety strap proved to keep your dog or cat safe, no matter what life throws at you. It can protect both you and your dog under any circumstances. LARGE BEARING CAPACITY: This type of the pet sling carrier can hold and carry different weights of the dogs 3~17lbs and the maximum load reaches around 17 lb. Besides, the inside depth of the carrier bag is 13.5", so it is enough deep to hold the dogs or cats and therefore, it prevents your pets coming out easily from the carrier bag.