Ergodyne N-Ferno 6992 Toe Warming Packs, 2in x 3in, White, Case Of 40 Packs

Designed to help keep your toes toasty, these warming packs are a necessity for those traveling in cold temperatures. The warming packs feature all-natural ingredients and heat up when they come in contact with oxygen. Helps keep your toes warm and cozy in cool temperatures. Made with all-natural ingredients. Begins to heat up when the material inside contacts the air. Designed to work for up to 5 hours.