Heat Factory 19483 Foot Warmer Toe White 9.375"x 6.375"x 4.125" Biodegradeable

These lightweight pouches contain a mixture of ingredients that generate heat when exposed to air. All Heat Factory warmers are non-toxic, safe and odorless. Heat Factory foot warmers are designed to activate in a restricted air enviroment such as a shoe or boot (specifically the Heat Factory Sock and to fit into the cavity of the Heat Factory Footbeds where they get slightly warmer). They generate heat for 6+ hours, so these footwarmers are great for camping, hunting or sitting outdoors. Warmers can also be used in pockets, stadium cushions and sleeping bags. Dimensions for thecorrugate display box are 9.5" x 7.5" x 5.5" which holds 12 multi-pack 3-pair per pack (36 total).