Runs on safe, efficient, non-toxic Esbit® solid fuel. Compact, lightweight, fold-down, efficient cooking appliance. Plated tensile structured steel with designed air flow slits in the base to provide a stronger flame. Supporting side projections help direct heat and can be adjusted to stabilize pots or cups. 3 in. x 4 in. x .75 in. Wt. 3.75 oz.