This Wattil Stainless Steel Modern Vacuum Mug stainless steel modern mug features a spill resistant lid that slides open smoothly to provide the perfect pour. This mug is made with double wall vacuum recycled stainless steel to keep beverages warm for up to 3 hours or cold for up to 6 hours longer. Made with (Recycled Claim Standard) certified recycled materials. Certification ensures a completely certified supply chain of the recycled materials. Total recycled content: 88% based on total item weight. BPA free. Capacity 420ml. Including Certified Sustainably Sourced certified kraft packaging.