Easy maintenance design: Combines a rubber gasket and an additional seal to be leak-proof, keeps the cage dry, and simplifies cleaning and maintenance. Rollerball water regulation system: Delivers a steady, controlled flow, mimics the hamster’s natural drinking behavior, and includes anti-backflow to reduce choking risk. Promotes natural behavior: Fits uneven cage structures, encourages exploration, and provides a safe hiding place for playful and curious hamsters. Comfortable drinking solution: Body-conforming design with an ergonomically curved drinking spout for a comfortable drinking position, supporting healthy hydration without discomfort. Use scenarios: - Place in multi-level or irregular cages to ensure accessible water across different levels and surfaces. - Ideal for active, exploratory hamsters who benefit from a safe hiding spot while they play. - Great for households prioritizing easy maintenance and reduced spills during cage cleaning or daily use.