THE COLDEST WATER BOTTLE - Seriously Cold up to 36 Hours or More! Built with True Stainless Steel, Double Wall, Vacuum Sealed. Insulated Flip Top Lid 2.0 - True stainless steel - No mess around your work areas. Built for athletes and high performers, Outdoors, Cyclists, Runners, Hiking, Camping, Soccer, Baseball, Basketball, Office, Outdoor Water Bottle. INSULATED STAINLESS STEEL - Solid durable build with Premium Grade Durable 18/8 Stainless Steel, BPA free Sports Bottle, Gym Water Bottle. GYM BOTTLE - These bottles won't last at this introductory price! Compare to others at double the price, and they still won't match our quality! EASY TO CLEAN -HAND WASH ONLY WITH SOAPY HOT WATER!