KEEP YOUR COOL: this insulated bottle keeps drinks cool for up to 24 hours, hot for up to 6 hours and drinkably warm for up to 12 hours. LEAKPROOF DESIGN: Perfect Seal technology provides a secure seal - perfect for hectic commutes, demanding gym sessions and hiking. SAFE & SWEAT FREE: each thermal flask is made from rust-resistant, food safe materials that wont taint drinks, or produce condensation. CHOOSE FROM A RAINBOW OF COLOURS: it couldnt be easier to look good whilst maintaining a healthy lifestyle.. BUILT New York Perfect Seal 740ml Rose Gold Double Walled Stainless Steel Hydration Bottle