Easy maintenance feature: Combines a rubber seal and a double seal to be leak-proof, keep the cage dry, and simplify cleaning and maintenance. Improved safety design: Includes a roll-ball mechanism that regulates water smoothly and evenly, mimics a hamster’s natural drinking action, and adds an anti-backflow function to prevent spills or choking risk. Versatile cage compatibility: Designed for uneven cages; the water bottle base encourages hamsters to explore while providing a secure retreat. Adaptive hydration support: Focused on comfort, it features an ergonomically curved tip and a body-adaptive design that provides a comfortable drinking angle and healthier hydration for small pets. Use scenarios: - In uneven or multi-level cages, install the bottle base to provide a stable, leak-proof water source that still invites exploration. - For hamsters who prefer a closer-to-mouth drinking angle, the curved tip supports a comfortable drink and steady access. - During routine cage cleaning and maintenance, the leak-proof design helps keep bedding dry and reduces mess.