Bluewave Reusable D2 Double Wall Vacuum Stainless Steel Insulated Sports Water Bottle - 500ml (17oz) Double layer insulation - keeps your beverage hot/cold for hours 0.5 liter/17 fluid ounces - D2 insulated water bottle In timeless Grey color 100% food grade material - BPA free & reusable Durable enough to handle all the bumps and drops 0.5 Liters (17 Fluid Ounces)<br> Made out of high quality, food grade, 18/8 (304) Stainless Steel  both bottle &amp; cap!<br> Double wall insulation  keeps your beverage hot/cold for hours<br> Keep your drinks cold for up to 24 hours<br> Keep your drinks hot for up to 12 hours<br> Two colors available: Navy Blue &amp; Metal Grey<br> Lightweight, durable, &amp; portable<br> BPA Free, no leeching of chemicals, safe for long-term storage<br> Go Green  Reusable and help reduce plastic waste