The rubber hot water bottle sealing plugs are designed to provide a leakproof solution, maintaining the warmth inside your hot water bottle. Made from rubber, these plugs are durable and can withstand high temperatures, making them ideal for various hot water bags. Their universal fit ensures compatibility with most hot water bottle models, while the easy installation and removal process make them convenient for daily use and cleaning. These plugs help enhance your winter heating experience by effectively retaining heat. Features -Color:White -Material:Rubber -Size:3.50X2.50X2.50cm/1.38X0.98X0.98in -Leakproof protection: rubber hot water bottle plugs ensure a tight seal, preventing leaks and keeping your hot water bag functional and reusable -Thick rubber: these hot water bottle replacement lids are crafted from durable rubber material, providing resistance to high temperatures and frequent use -Universal application: hot water bag replacement lids are compatible with most hot water sack models, making them a practical choice for diverse needs -Easy handling: rubber hot water caps are designed for effortless installation and removal, allowing for convenient cleaning and maintenance -Effective heat retention: leakproof water sack plugs help maintain the temperature inside your hot water bag, ensuring warmth and comfort during cold weather Package list: 12 Water Bag Stopper