Hand Warmers 80 Pcs /40 Pair Disposable Body Warmer, Long Lasting Safe Air ActivatedProduct details Strict Quality ControlHand Warmers are manufactured with strict quality control standards. Each Hand Warmers extensive testing for optimal performance. We always adhere to the principle of customer first, Provide customers with excellent service to ensure that every customer gets the Best Value for Money. NATURAL SAFETY, Odorless, Disposable, Single Use Item, Do Not Apply Directly to The Skin. TO ACTIVATE Tear open outer package,