Trekmates 850ml Flameless Cook Set Box (One Size and Color) Revolution in cooking, uses water as an activation agent and produces no harmful fumes in use A self contained unit for heating your food or drink, no need for additional pans 850ml surgical stainless steel inner, airtight locking lid and a neoprene sleeve outer to ensure absolute comfort whilst heating and cooking Supplied with two super and two high power heat packs, measuring cap, fork and reusable storage pouch Ultralight, only weighs 500g