[Quality Construction: Crafted from durable stainless steel our 8 oz martini tumbler is unbreakable and built to last providing reliable performance for years to come. Superior Insulation: Featuring advanced triple-walled vacuum insulation this tumbler keeps your cocktails chilled for up to 8 hours ensuring your drinks stay refreshingly cold. "Convenient Lid Included: Comes with a spill-resistant BPA-Free lid making it perfect for on-the-go use. Enjoy your martini worry-free whether youre at a picnic poolside or relaxing at home." "Sleek and Stylish Design: With its elegant modern look this martini tumbler adds a touch of sophistication to any setting. Its the perfect accessory for cocktail enthusiasts and makes the perfect gift for martini lovers." Versatile and Practical: Ideal for martinis margaritas and more. This insulated tumbler is also great for other beverages offering a versatile drinkware solution for various occasions.]