Gracia Pair Thermo Tumbler GR-1661 Product Contents: ● Tumblers (Capacity = approx. 350ml) 2 Product Overview: These stainless steel, double-walled vacuum insulated tumblers are great for both cold and hot beverages. Manufacturer Part Number: GR-1661 Product Size: Approx. 7.4φ x 13.5cm Product Material: Stainless steel (vacuum insulated construction) Although unopened, this item has been stored at home, so please purchase only if you understand this.