- & Eacute; the silica gel waterproofing More key lock design, make sure the pet water bottle is not leaking & agrave; all. No more worries & agrave; go anywhere wet or sewage. 2. Durable and Safe: The portable dog water bottle manufactured. in quality material high quality food, BPA free, approved by the FDA to make sure your pet is completely safe. free from toxins they use our dog water dispenser bottle 3. Portable dog water bottle: reasonable 350ML capacity, enough for hiking, backpacking and travel. Compact size ensure you can easily put it in your bag, or take it in your hand from the attached strap easily. 4. Easy & agrave; use: one-handed key operation, press the water fill with water, release to stop the water, very easy to feed your pet thanks to the the issue of water bottles for dogs.