Body Warmer Stick Heat Patch Keep Hand Leg Foot Warm Paste Pads. 12 Hours Warmth Duration: Provides continuous warmth for up to 12 hours after exposure to air. Multi-Part Application: Suitable for warming knees, back, abdomen, waist, shoulders, hands, legs, and feet. Natural Ingredients: Formulated with Hemerocallis as the main ingredient for effective heat generation. Professional OEM Experience: Manufacturer with over 17 years of OEM and production experience in health care products. Strict Quality Control: Eco-friendly raw materials and strict QC processes ensure high product quality. Flexible Customization: ODM and OEM services available with customization from samples or designs. Fast Sample Delivery: Free samples available for trial; mass production lead time is 1-3 days for stock orders. Low Minimum Order: Minimum Order Quantity is just 1 piece, allowing for easy trial and bulk purchasing.