Brand: Hydro Flask Color: Gradient Capacity: 18oz (532ml) Cap: Flex Cap Mouth Diameter: 58mm Size: 74mm x 205mm Weight: 325g MATERIAL Body: 18/8 Stainless Steel (Printed Steel Plate) Lid: Polypropylene Packing: Silicone Strap: TPE Used 2-3 times This bottle brand gained popularity in Hawaii and has become explosively popular throughout the United States. This is a limited gradient color of the No. 1 bottle in the United States. Hydro Flask uses TempShield, a double-wall vacuum insulation technology to maintain temperature! Keeps cold drinks cold for 24 hours Keeps hot drinks hot for 6 hours Please understand that this item is stored at home.