Foot Warmers are thin, air-activated heat packs that adhere to the underside of the sock and provide 8 hours of continuous warmth to the feet - ideal for keeping warm, whatever the occasion, and they are easy to use and fit comfortably in your shoes.Ingredients & Features:- High quality iron powder, activated carbon, vermiculite, salt, water, no heavy metals contained, safe and eco-friendly.- SMS(Spunbond + Meltblown + Spunbond Nonwovens) backing with provides good air permeability and leak-free.- Features with medical adhesive, gently to apply and no residue left on clothes.Working Theory:when exposed to oxygen, the iron in the pouch oxidizes and produces heat. The sale acts as a catalyst, while the carbon helps disperse the heat. And the vermiculite is used as an insulator for the purpose of retaining heat.Directions:Open It: Remove the pouch from the plastic wrapper. Do not open the cloth pouch.Stick It: Remove the paper backing and place the adhesive side on the outside of your sock, at the top or bottom of the toe area.Cautions:- Do not attach the adhesive side directly attache to the skin.- Do not use during sleep in case scald.- Diabetic and blocked the blood circulation patients is required to use under doctors guidance.- Supervision is needed when used on pregnant, children, old or disabled person.- Do not contact the contents with eyes or mouth, if it occurs, wash with fresh water; and if swallowed, call a poison control center immediately.- Remove warmers immediately if they become uncomfortable or too hot.- No batteries, No microwave, No fuels.- Keep out of reach of children & animals, and store in a cool dry place.- Not a good choice for athletic situations or long walks.Package: 2 pc /pair, 5 pairs/bagExpiration Date: 3 years from production date.
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