The Copper Insulated Tumbler & Bottle Set can be used for Advertising Promotions, Business Gifts, Promotional Gifts and has Keeps drinks cold or hot up to 24 hrs, Attractive Design, 22oz Capacity, Keep Beverages Hot for upto 8 hrs & Cold for upto 24 hrs, 18/8 Grade Stainless Steel Material. A high quality promotional item such as this can not only capture your prospects attention, but also set your business in a favorable light when it comes time to buy.