This item is well made of for durable and practical use. Adjustable straps are easy to adjust, secure, and have to distribute load and increase comfort, and that is non-slip. Always be prepared for any situation such as injury, situations and emergencies. Feature - Color: Blue. - Material: Oxford cloth. - Size XS: About 30-48cm (Chest). - Size S: About 43-63cm (Chest). - Size : About 56-77cm (Chest). - Made of new and material, sturdy, super-tough oxford material, durable and waterproof. - The fabric is and fit, and the dog’s back is easy and convenient - Backpack for dogs can also be used as a harness; features rear mounted leash hook to attach dog walking leash when dog needs to be on leash. - The bright fluorescent band on the bag, when the dog goes out alone at night and walks on the road, it has a warning effect for people driving and thus plays a safety role. - There are pockets on both sides, which can be used for dog snacks, water, cleaning supplies, and also keys, , etc. - Warm tip: Dear buyer, Due to lighting effect, monitor’s brightness, manual measurement and etc, there could be some slight difference in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 1 backpack