Perfect for keeping out winter chills and ensures you stay toasty and warm when it's cold and frosty. These single adorable knitted cover mini hand warmers are not only cute, they are really practical too!. Contains a re-usable click to heat gel pack - please carefully follow instructions printed on packaging and retain for future reference. A superb stocking filler or gift for family and friends or just as a handy pocket warmer for yourself. It can last for a few hours if placed in an insulated space e.g. pocket, mitten or glove.