Universal Small-Caliber Glass Thermos Liner for Hot Water Bottles

This product is a versatile glass liner designed for hot water bottles. Crafted from high-quality glass, it ensures excellent heat retention and durability. It is perfect for replacing old or damaged liners in your hot water bottles, providing a reliable and efficient way to keep liquids warm. Its universal small-caliber design makes it compatible with a wide range of hot water bottles, offering a convenient and sustainable option for maintaining your comfort and warmth. Material: Glass Thermal insulation performance: 0-6 hours Product quality grade: Qualified products Manufacture country: China Instructions included: No