MATERIAL: Made of ABS sink PC cup body food grade silicone material, high quality PC and silicone, easy disassembly and cleaning. Strong and durable, shock resistant even if accidentally dropped. Portable Dog Water Bottle:Reasonable 19oz (550ml) capacity, enough for outdoor walking, hiking and traveling. Compact size make sure you can put it in your bag easily, or take it on your hand by the attached strap conveniently. LEAK PROOF: This dog water bottle is leak proof, silica gel seal ring plus lock key design, make sure the pet water bottle doesn't leak at all. Don’t worry to get everywhere wet or waste water any more, the pet drinking cup kettle can be freely erected or lying across your backpack. CONVENIENT OPERATION: One key to open or lock water, easy to operate with one hand, the other hand can take a photo for your dog. Design for small and medium-sized dogs, allowing your dog to drink water easily and comfortably. LARGE CAPACITY BOTTLE: This 75mm * 260mm water bottle can hold 19 oz (550ml) water. Small size, easy to carry, large capacity, do not worry about the dog no safe water to drink while out of play.