Hand Warmer, Body Wamer, Knee Warmer manufacturer / supplier in China, offering Long-Lasting Secure & Flexible Hand & Foot Pad Warmer Patch for Indoor & Outdoor Activities, Warmer Hand & Foot Patch Pack Heating Pad for Alleviates Aches, Pains & Cold Sensitivity, Exclusive Design Hand Foot Warmer Patch - Tailored Warming Pack Experience Heating Pad for Winter Warm and so on.