Product Features: 1. Leak-proof: Even if the kettle is placed on its side, it will not drip or overflow. Suitable for all standard 55mm open 5-gallon kettles. If necessary, it can also be used for water bottles with threaded caps. 2. Upgraded design: The unique design makes the installation and removal of the kettle lid more convenient, and the hanging ring design is also easy to grasp. 3. Food-grade silicone: The food-grade silicone material ensures a tight seal and does not release any harmful chemicals into the water, ensuring that drinking water remains clean and fresh during storage. 4. Suitable for various occasions: Suitable for water dispensers and coolers, the center button attaches to the lid after placement and does not float in the water; it is also suitable for placing water bottles in high places or with water pumps, suitable for home and office use. 5. Easy installation/removal: Unlike plastic caps, this bottle cap can be easily installed or removed in just one second, saving time and effort. Just press down on the top to install and pry up to remove. The operation is extremely simple, even children can easily get started. Specification: Material: Silicone; Color: Blue; Product Name: Bucket Water Cap; Size: 17 * 5.8 cm; Packaging: OPP bag; Material: Silicone; Weight: about 25g; Features: good sealing and material safety; Package includes: 2 water bottle caps or 4 water bottle caps