Stanley 16-Ounce Adventure 1-Hand Vacuum Mug, Badged Crimson Vacuum insulation and thermal lid keep drinks hot 7 hours, cold 7 hours or iced 30 hours 18/8 stainless steel won't rust; it's also naturally BPA-free Push-button lid lets you open, drink and close with 1 hand Leak-proof and fully packable badged crimson 16- ounce mug Dishwasher-safe lid disassembles for deep cleaning