Size: S--16*11.8*5.9in, for pets under 4kg; M--18.9*11*7.9in, for pets under 9kg. Adjustable drawstring for head out. Easy Opening & Operation : Top zipper opening for easy access; Quick release buckles both inside and outside. Convenient & Hands Free: 7cm wide padded shoulder straps provide extra comfortability; Side pouches store essential pet supplies. Breathable & Durable:Made with breathable mesh fabric and durable oxford cloth,suitable for long-time carrying. Safe & Comfortable: Clasp inside for collar or harness attachment; Your pets can sit comfortably on the padded bottom. Desire to go traveling/hiking/camping or do other outdoor activities with your pets but... Wish to see/touch/communicate with them during traveling? Bother to choose between backpack carrier and front carrier? Where to put the snacks,keys or other belongings? Can the carrier keep your pet safe and comfortable Our pet carrier is here to solve all your problems above! Package include: 1 x Pet Carrier Bag Our Features Top zipper opening for easy access. Head out Design: convenient drawstring---adjustable according to your pet’s size. 7cm wide padded shoulder straps provide extra comfortability and softness even after long-time carrying. Side pouches store essential pet supplies. Easy to use: adjustable straps, quick-release buckle and spring clasp inside to attach harness/collar. Hands free design. Great choice for walking, cycling, traveling and other outdoor activities with your pet. Size: S---16*11.8*5.9in ; For pets under 4kg. M---18.9*11*7.9in ; For pets under 9kg. Now choose the wonderful pet carrier bag and enjoy walking with your lovely pets.