This unique adjustable velcro fastnening wrap both heats or chills bottles in a matter of minutes. Keep one in the freezer and wrap around a bottle when needed, or place in the microwave for about a minute to use as a warming jacket for red wine, brandy etc. Opened up, the Wrap is ideal as a mat for keeping food and dishes cold or warm on the table, in the hamper etc. It contains super gel that can freeze up to minus 20° and still remain flexible