Grabber� Body Warmers are rectangular shaped single-use air-activated heat packs that contain and adhesive on one side so they stay in place where you stick them. They provide 12+ hours of continuous warmth for the body. - When to use it? - Winter Sports � skating skiing boarding - Taking the pet for a walk - Features - 12+ hours of heat - With adhesive on one side so It stays where you stick it� - Ready to Use - Air-Activated - Safe Natural Heat - Ultra Thin - Contains one warmer per package