From the RH catalog: "The perfect gift to warm hands and hearts, our pocket-size warmers are a little bit of luxe. Wrapped in ultra-cozy, ultra-soft pure cable-knit cashmere, the set of two keeps hands toasty when the temperature drops. Simply place one in each coat pocket when walking the dog or attending outdoor events during chilly winter months. Environmentally friendly, the gel packs are reusable and perfectly portable." Each palm-sized hand warmer is snugged inside an ultra-soft removable cashmere cover Cozy and luxurious Tidy and reusable A snap of the metal disk activates the gel pack, which hardens as it heats To re-activate, simply place in boiling water for 3-5 minutes to soften, let cool and snap again Set of 2, one for each pocket, glove or mitten Slight small water stain on outside box side. 5"L x 3½W x ½"H