The Burnham Thermal Insulated Bottle is a High Quality, Double Walled Thermal Insulated Drink Bottle Made From 304 Food Grade Stainless Steel Metal. Supplied with a Flip Up Drink Lid & Straw. Available in a Gloss Finish in Silver or White with a Simple Yet Effective Screen Print Branding or Our Full Colour 360 Digital Print. Available From as Little as 50 Pieces in 5 Days! Keeps Liquids Hot for Up to 12 Hours & Cold for Up to 24 Hours. Minimum Quantity: 50.