Clean combustion all-season fuel mixture, best for Backpacking Designed for use with Perune Portable Stoves and Cooking systems Fits inside all Perune Travel Pick & Carry Cooking Systems Canister Materials: Steel. Canister Weight: 7.0 oz. Dimensions: 3.5" x 3.5" x 2.7" Gas Mixture: 72% isobutane, 26% Propane, 2% other