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: 13.4 oz. Dimensions: 4.3" x 4.3" x 3.7" Gas Mixture: 72% isobutane, 26% Propane, 2% other