Dog water bottle built in filter element: filtering impurities and chlorine, odor resistant and antioxidant Food grade material: BPA-free, safe and durable, easy dismantling and cleaning One-hand operation: Push-out water button with transparent cover, leak-proof dust prooof Portale and lightweight dog travle water bottle: Silicone sling, firm and durable ,Arc-shaped flume design, fit pet drinking habits Product description Dogwater bottle Attentive care of your pet! Dog water bottle For walking,traveling,hiking,Running etc Easy to operate One-handed operation,free button control,easy to feed pets Portable & Lightweight You can put it in your backpack or hang it on your hand with a sling