Specifications:Type: Pet Dog Travel Water BottleMaterial: ABSSize: 20.8cm*7.5cm(350ml), 26.5cm*8cm(550ml)Suit for: Dogs, CatsCapacity: 350ml and 550mlFeatures:1. QUICK & CONVENIENT- One-hand operation, easy to feed water.2. PERFECTLY SAFE - High quality antibacterial material, FDA approved, lead-free, BPA-free, safe and durable, easy dismantling and cleaning.3. LEAK PROOF LOCK WATER - Silica gel seal ring, make sure the water doesn't leak in your bag.4. DURABLE & EXPANDABLE - Removable top can be washed and easily attached to larger water bottles. Big capacity, enough for outdoor walking, hiking, travelling.5. EASY FOR TRANSPORTATION - Compact water bottle is great for walking and travelling with your dog.