Safety explosion-proof cute electric heating bag（https://www.nzx-hotwaterbottle.com/product/plush-doll-electric-heating-bag/safety-explosionproof-cute-cartoon-plush-doll-electric-heating-bag-cd6007.html）
it is convenient to remove and add velvet, prevent burns, and it is portable. The cartoon fleece protective cover absorbs heat, dissipates heat slowly, and is safer to use.