LotFancy toe warmers bring instant heat to your feet and toes. Attach to socks or inside shoes. Up to 8 hours of soothing warmth. Warmers generate heat through a chemical process activated by exposure to air, to activate, remove warming pads from package and the contents react to oxygen in the air and generates heat quickly and safely. If heat decreases, expose warmer to air and it will heat up again. This warmer fits almost all feet sizes. Intended uses: Skiing, jogging, golfing, hunting & fishing, outdoor sport events, camping & hiking, working in the yard, taking your pet for a walk. Also can be effective for people who are suffering from Raynaud's syndrome
