Contents: Two 15 gram screwless wine opener refills. Est. 1961. Salute to a vision. The ultimate wine opener. For all cork pops wine openers. Opens up to 100 bottles. www.corkpops.com. When cartridge is used up and there is no more pressure, pull out and replace it with a new cartridge. Refills may be ordered and billed to a major credit card by calling toll-free 1-800-322-6757 or on-line at www.corkpops.com Made in U.S.A.