Our 40oz double wall 18/8 stainless steel thermal bottle with a powder coated finish is the perfect summer bottle! Whether you are headed to a sporting event, the pool, boating on the lake the copper vacuum insulation keeps your drinks cold up to 24 hours. And if you use it for a caffeine boost, the bottle keeps beverages hot up to 12 hours. The unique twist-on cap is tethered to the bottle so you do not loose the lid. Non-toxic and BPA-free. Pricing includes personalization on one side.