The backpack is specially prepared for your pet when going out, berathable and comfortable, drawstring design. Features: Breathable mesh fabric, stop stuffiness and peculiar smell. Drawstring design, easy to adjust for pet comforty and stop pet jump out. 3 sizes for your choice, S for 0-3kg, M for 3-6kg, L for 6-10kg. Various colors for you to choose from. The front zipper pocket can put pet’s toys, and sided mesh pockets to put your water bottle or umbrella. Specifications: Material: Cloth Size: S, M, L (optional) Color: Green, Black, Orange, Blue, Rose red (optional) Suitable Weight: S for 0-3kg, M for 3-6kg, L for 6-10kg Item Size: S: 340 * 300 * 160mm / 13.39 * 11.81 * 6.3in M: 450 * 360 * 210mm / 117.72 * 14.17 * 8.27in L: 550 * 410 * 250mm / 21.65 * 16.14 * 9.84in Package Weight: S: 400g / 14.11ounces M: 480g / 16.93ounces L: 560g / 19.75ounces Package Size: S: 340 * 300 * 60mm / 13.39 * 11.81 * 2.36in M: 450 * 360 * 60mm / 117.72 * 14.17 * 2.36in L: 550 * 410 * 60mm / 21.65 *