90% recycled 18/8 stainless steel. Recycled stainless steel icon inside the tumbler indicates your Quencher is made from sustainable materials, BPA-free Double-wall vacuum insulation, Comfort-grip handle, Powder coat finish FlowState screw-on, 3-position lid, Reusable straw Car cup holder compatible (base diameter: 3.1 inches), Built-For-Life