Mixbeauty Body warmer.

Safe, natural long term heat: air-activated with environmentally friendly iron components with soft non-woven fabric, long-lasting heat (up to 6-8 hours). Odourless, disposable with adhesive backing. 20 pairs of single warmers.
{Easy to use} Open the packaging and tear off the stickers. Wait 3-5 minutes, the foot warmer heats up (no rubbing required). Stick it to the foot (avoid sticking directly to the skin).
{Disposable and safe} These disposable foot warmers are made from ingredients that do not harm the environment, so you can throw them away after each use. They use natural heat to keep your foot cosy, and are safe for adults and children.
{TO USE} Tailgates at events, outdoor sporting events, hunting and fishing, camping and hiking, working in the yard, jogging or walking with your pet. Comfortable, compact, portable.