A great gift for opa or dad! Turn any glass beer bottle into a stein with this unique beer bottle cap. Simply clip it to your beer bottle tip it up as would be done with a beer stein and enjoy your beer. Adjustable clamp fits most glass beer bottles. Mini pewter beer stein lid with a sturdy metal clip that attaches to most beer bottles. A fun conversation starter, this pewter beer stein lid is a practical solution for keeping insects out of your beer! Approximate dimensions (length x width x height): 2.25x2.5x1.5" Material type: metal