Graphene down electric heating sleeping bag is a must for outdoor camping. Select 90 down, graphene 3-level intelligent constant temperature, two single models can be spliced into a double model.
Multifunctional hollow cotton graphene heated sleeping bag is a kind of healthy heating product adopting graphene heating film technology, it is not only a heating sleeping bag, but also a heating wrap in cold season. It can reach deep into the muscle layer, promote blood circulation and relieve muscle soreness effectively.
