Dedicated to wine/drink preservation - Material: ABS plastic + stainless steel - Preserve your partially consumed bottles of wine so they are as rich and tasteful as when the bottle was first opened - Two Push-Button Stoppers are included employing a specially-designed valve that holds a vacuum for days and releases it at the touch of a button - Bottles sealed with Push-Button Stoppers can be stored horizontally while those sealed with competing stoppers must be stored upright to prevent leaking - The pump handle is ergonomically designed to afford easier pumping action and to avoid pinching that can occur with other pumps - A must have for any wine connoisseur or home