Winter rubber hot water bag filling water hand warmer safety anti-hot nostalgic warm water bag factory direct generation

Versatile Sizes:Offering a range of sizes from small to extra-large, this thermostat ensures flexibility to meet different needs and uses. Insulated Rubber Material:Crafted from insulated rubber, this thermostat provides efficient heat retention, making it an ideal choice for winter use. Cold and Hot Dual Use:With its cold and hot dual use feature, this thermostat caters to various temperature requirements, enhancing its versatility. Safe Design:Designed with a safe-guard feature, this thermostat prevents overheating, ensuring user safety while using. Easy Refill:The thermostat is easy to refill, offering convenience and saving time and effort. Portable:Its compact and lightweight design makes it easy to carry around, perfect for outdoor activities or travel.