Features: - Waterproof - 12oz and 19oz capacity available, choose a reasonable one as your request. - Food grade material - One-handed operation, convenient to use - Compact size, reasonable capacity - Perfect for taking your dog walking, hiking, traveling, etc. - One key to open/lock water, no leaking and wasting water Warning: - Keep puppy hot water bottle out of hot water at more than 176℉ / 80℃ - Do not wash with dishwasher - Do not press the water key too hard when the lock key is locked - Do not put these in the cup: dry ice, chocolate, sparkling water, milk, etc. How to use: 1.Keep the water bottle for dogs horizontal, slide the lock key to the right to unlock it, press the water key to fill the trough. Release the water key to stop the water. 2.After feeding, slide the lock key to the left to lock and prevent water leakage. Specifications: Cup Material: PC Trough Material: ABS Capacity: Two choices, 12 oz (350 ml) and 19 oz ( 550ml), choose according to your request