Now you can enjoy your whiskey neat AND chilled—and not weakened with ice. These whiskey glasses are perfect for outdoor warm-weather sips. They’re double-walled BPA-free plastic with a unique gel inside. Once frozen, the gel will keep your cocktails at a cool 43°-53° F. And while the cups are chilly, your fingers won’t be. A silicone band makes the cups comfortable to hold. For best results, freeze glasses upside down for 2 hours or more. Hand wash only.