Features: brand new and high quality Safe, natural and long-lasting heat, disposable products, do not stick directly on the skin. Self heating pads contains effective and safe ingredients can keep you warm with average temperature of 39C. Take out the foot warmer patch from the outer packaging and let it to activate. heated within 15-30 minutes, and the heating will last about 8hour. Disposable foot warmer provides daily warmth, perfect equipment when the temperature get cold, specially designed for your feet and body. Great for hunting and fishing and hiking, garden work or walking with pets. convenient and portable. Specifications: Shelf Life: 3 Years Material: Non-woven Fabric Size: approx.10x8cm/3.94x3.15in Color: As pictures shown Quantity: 10 Pcs Note: Please allow 0-1cm error due to manual measurement. please make sure you do not mind before you bid. Due to difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 10pcs Toe Warmers