This Reusable Coffee Cup with Cork Sleeve is made from quality materials including borosilicate glass, natural cork and FDA-approved, food-grade silicone with in-built heat insulation. It features a nose dome to ensure your nose does not touch the lid when drinking, and the removable cork sleeve keeps your hands cool whilst being pleasant to touch. It’s also comfortable to hold, lightweight and easy to clean. 1. Suitable for hot and cold drinks 2. Simplistic and ergonomically designed 3. Features hardened borosilicate glass, natural cork and FDA-approved, food-grade silicone 4. 4mm cork sleeve for anti-scalding and heat insulation 5. Simultaneously designed with both a drinking outlet and air inlet 6. Dishwasher and microwave safe 7. Certified non-toxic | Bisophenol (BPA, BPF, BPS, EA) free 8. 100% plastic-free packaging