The Izzie 16 oz Eco-Friendly Vacuum Insulated Tumbler delivers everyday style with sustainable performance. Double-wall vacuum insulation keeps drinks hot up to 5 hours or cold up to 35 hours while reducing exterior condensation. Made with a 91% recycled stainless steel liner and recycled lid components, it features a spill-resistant slide lid, cup holder-friendly shape, trendy metallic finish, and a QR code on the base for easy access to the latest user manual.