Dry Cage Double sealing with a rubber gasket creates a dry cage environment and simplifies cleaning and maintenance. AntiBackflow Protection Roller ball design mimics hamsters natural drinking motion for smooth and even water dispensing, while preventing backflow and choking risks, providing safe hydration. Encourages Natural Behavior Fits seamlessly on uneven cage structures, promoting natural exploration and acting as a secure shelter for playful and curious hamsters. Optimized Drinking Experience Bodyconforming structure and ergonomic curved spout promote a natural drinking position, improving comfort and ensuring consistent access. Key attributes Function: hamster water bottle with dry cage envelope, antibackflow protection, and ergonomically designed drinking features Compatibility: designed to fit uneven cage structures Material notes: rubber gasket provides double sealing Performance: reduces leaks, ensures steady water flow, and supports comfortable, natural drinking Use scenarios Multilevel or irregular cages: attach the bottle at varying heights to accommodate uneven surfaces and encourage exploration without leaks. Hydration with spill control: ideal for hamsters that tend to spill or backflow water, as the roller ball design provides smooth dispensing and reduces mess. Cage cleaning and maintenance: the dry cage design simplifies cleaning and upkeep by minimizing moisture and moisturerelated residues during routine care.