ICONIQ Stainless Steel Vacuum Insulated Tumbler (Green, 30 ounce) Double wall vacuum sealed stainless steel insulated to keep your coffee and tea hot, and your cold drinks cold! Vacuum sealed double walled design ensures your tumbler stays sweat-free regardless of temperature Innovative lid design with easy-to-use retractable sip hole cover and a sip hole that allows for direct sipping or for use with a straw. Please note that the sip hole cover is not designed to create a watertight seal and will not prevent leakage if tipped over or held at an improper angle. 18/8 stainless steel, food-grade, corrosion resistant construction with our unique super-grip colored or a polished stainless steel finish Available in 20 or 30 oz ounce versions and in multiple colors. Satisfaction 100% guaranteed or your money back!