18/8 Recycled Stainless Steel - Double-Wall Vacuum Insulation - Leakproof Protour Flip Straw Lid - Removable Spout - Replaceable Seal - Textured Comfort-Grip Handle - Fits Most Car Cupholders - Dishwasher Safe - Bpa-Free 40oz Protour Flip Straw Lid Fits All 40oz Quenchers