Glass Marble Ball design offers a durable alternative to plastic balls that can degrade or become sticky over time. Key benefits Material and durability: copper construction delivers strength and long lasting performance. Glass marble ball: provides a robust, non plastic option that resists breakdown and stickiness. Chemical resistance: antiacid and alkali capabilities help maintain integrity when handling a wide range of liquids. Impact resistance: designed to be antifall with no cracking, enhancing reliability in everyday use. Safety and convenience: eliminates the need to suck liquids through a transfer hose, reducing the risk of liquid entering the mouth. Compatibility and performance: engineered to work with standard transfer hoses for consistent operation across applications. Use scenarios Home brewing, kitchen transfers, and beverage handling: move water, oils, syrups, or other liquids without risking plastic degradation or mouth contact. Laboratory or workshop settings: safely transfer acidic or alkaline liquids and other chemicals while maintaining material integrity. Automotive and industrial fluids: reliable transfer of various liquids where durability and resistance to chemical exposure are important. Notes Designed to improve durability and safety in liquid transfer applications while maintaining straightforward compatibility with common transfer hose setups.