Mr. Pen portable dog water bottle is foldable small lightweight and does not take up space and it can be put in a bag when going out. Our portable water bottle for dog is made of food-grade non-toxic material. It can store 19 oz of water. It’s great for hiking the beach or pet travel. Our portable dog water dispenser folds conveniently to be easily stored in a purse pocket or backpack. You can also use the carry strap for easy access. Mr. Pen dog water bottle is designed with silica gel seal ring efficiently preventing water leakage. You can put it in your backpack without worrying about it leaking. This pet water bottle is suitable for small to large dogs and it is also suitable for other pets such as rabbits cats etc.