BPA free, eco-friendly plastic material,Not only to dogs, but also for small animals such as cats and rabbits. Small size, easy to carry, large capacity, do not worry about the dog no safe water to drink while out of play. The Pet Water Bottle is an essential travel accessory for you and your dogs,provide your pet with clean and plentiful water at all times The dog water bottle has a large water container,convenient for dogs,cats longer outdoor walking, hiking and traveling. The dog water bottle can be put into your backpack, pet crate, stroller when not in use,or can be hung on your backpack with ropes on.