1.This high-quality pet backpack can perfectly solve the problem of pet travel.2.High-quality mesh, breathable and cool, very light.3.Exquisite workmanship, durable.4.Zippers on both sides make it easy to wear.5.The high-quality self-adhesive design, the traction buckle in the bag, and the adjustable pocket shrink design are convenient to use, and make your dog or cat feel safer and more comfortable.6.You can use it at any time to bring small and medium-sized dogs or cats for walking, shopping, short trips, hiking, camping and cycling.size:S Chest: within 11.inches, back length: 9.8-11 inchesM Chest: 7.8-11.9 inches Back length: 11.4-13.4 inchesL Chest: 14.2-19.7 inches Back length: 12.2-15 inchesXL Chest: 16.9-25.6 inches Back length: 15.4-16.9 inchesPacking List:1 * Pet carrier bagThe Tips:1.Please measure your pet before buying, especially pay attention to the small size.2.Be sure to measure the length of the back.3.The size measurement should leave 2 finger space between the object and the dog.