This is a portable super convenient pet water bottle. It has a 12oz/350ml capacity, enough for outdoor traveling walking and hiking. Compact size makes sure you can put the pet travel water bottle in your bag easily or take it on your hand by the attached strap conveniently. The portable dog water bottle is made of high quality antibacterial food grade material, BPA free, FDA approved, which ensures that pet travel water bottles are safe and non-toxic.