1. Easy maintenance and leak prevention: Combines a rubber gasket with a double seal to create a leak-proof design, helps keep the cage dry, and supports neat cleaning and maintenance. 2. Rollerball water regulation: Features a rollerball water regulation system that provides a steady, controlled dose, mimics the hamster’s natural drinking behavior, and includes an effective anti-backflow function to reduce choking risks and spills. 3. Flexible open-bottom design: Open-bottom construction accommodates irregular cage layouts, encourages active play and exploration, and also serves as a calming shelter for your pet’s well-being. 4. Optimized drinking experience: Body-close form with an ergonomically curved spout promotes a natural drinking posture, enhances comfort, and supports consistent water access. Use scenarios: - New cage setups: Ideal for installations with nonstandard or modular cages, ensuring a reliable, tidy water source from the start. - Active hamsters: Rollerball regulation delivers a steady flow as your hamster moves, supporting natural drinking behavior during play and exploration. - Busy or multi-pet environments: Anti-backflow and leak-proof features reduce spills and safety risks, helping maintain a clean and safe habitat.