BPA-Free: Water bottles are made from new Tritan materials that do not release BPA during use Your pet is safe to use, eco-friendly and FDA compliant. < p>Adding BioCleanAct Antimicrobial Agents: We’ve added an antibacterial material called BioCleanAct to the O-shaped sink, which reduces the risk of diarrhea in pets. Use more peace of mind. It can be handled with one hand: When traveling with a pet, the dog’s excitement makes drinking water a challenge. Outdoor pet water glass, with one hand gently squeezed, the water can flow out quickly. Easy to use to help you troubleshoot. One Button Lock: The lock button keeps the water in the bottle without leaking water. The bottles can be placed in backpacks, suitcases and cup holders.