Make your Greyfriars wine last longer by sealing with this superb, Italian-designed champagne stopper. Keeps your bubbly fresh for up to threetimes as long as conventional stoppers. With a special patented “air lung” design, this stopper is unrivalled. The Super Sealing Stopper creates a seal so good, when you pop the stopper off its feels like you're opening a new bottle again! Tested to 12 atmospheres. Size - 45mm x 40mm x 65mm Material – Chrome-plated steel