Guaranteed 3 year shelf life. Unmatched color, clarity, and smoothness. Dries fast to hard, clear film. Full use directions on label to prevent customer mistakes. All natural, nontoxic easy-to-use protective sealer is excellent for crafts and household projects. It is suitable for use on new and previously painted drywall, cured plaster, wood (pine, fir, cedar, redwood, plywood), metal, and cured masonry (stucco, concrete block, poured concrete, brick).Does not darken or yellow with age. Clean up with alcohol or ammonia and water. Dries lightning fast in 45 minutes to recoat.