Custom Sports Bottles, 17 oz Matte Finish Stainless Steel Bottle with Silicone Strap - Vacuum Insulated, The ultimate travel accessory, the addition of a silicone strap makes for a handy and effective way to take your favorite beverage on the go. Double wall stainless steel with vacuum insulation. Copper lining. Keeps drinks hot for 12 hours or cold for 48 hours. Stainless steel outer, stainless steel inner. Hand Wash Recommended. ... #BTL400-STRP $11.52/each.