Ice cold Martinis without the ice! This stainless steel martini glass features double-sided walls filled with liquid freezer gel. Simply place the martini glass in the freezer for at least 4 hours before use, and just take it out when you’re ready to enjoy an ice-cold martini without the diluting effect of ice. Great for Martinis and other mixed drinks, too! After using just rinse, dry and place it back into the freezer for next time. Keep martini glasses in freezer for approximately 4 hours before use. A non-diluting alternative to ice. Food-grade stainless steel with double side walls. Liquid-filled with freezer gel. Made in USA