Description Looking for a practical hot water bottle stopper? This item is an excellent choice. Made of rubber material, it is anti-aging and odorless. The rubber construction helps reduce heat conductivity, providing better insulation and minimizing heat loss through the cap. This makes it a reliable replacement plug for hot water bottles. Features - Color: As shown - Material: Rubber - Size: 3.50 x 2.50 x 2.50 cm / 1.38 x 0.98 x 0.98 in - Screw plug diameter: 21 mm - Simple design enhances practicality and appeal, ideal for home use - Compact and cost-effective, offering a durable and functional solution for hot water bottle use - Easy to use when needed and built to last - Suitable for use with hot water bottles in various household settings - Makes a thoughtful gift for friends or family Package List 2 x Hot Water Bottle Stoppers