This double wall vacuum leakproof lock mug is the perfect size for your beverage. It's leakproof sealed flip lid is designed for easy open/close and on-the-go use. Vacuum insulation keeps beverages hot for up to 5 hours and cold for up to 15 hours. Made with RCS (Recycled Claim Standard) certified recycled materials. RCS certification ensures a completely certified supply chain of the recycled materials. Total recycled content: 80% based on total item weight. Capacity 300ml. BPA free and hand wash only.