IDIO Stainless steel Wine and Beverage Bottle Stoppers,Stainless Steel Wine Sealer,Set of 3 Stainless steel wine bottle sealer; 100% leakproof Pump Inside - Super Easy to Keep Your Best Wine Fresh Creates an airtight seal even with the bottle lying down; allows for horizontal storage of wine bottles in the fridge Pull down over the bottle opening to seal; to release, push the button and lift off Made of brushed stainless steel shell,Inner diameter of 1.25" fits most bottles; dishwasher safe