Made from borosolicate glass. A minimal design that is sturdy and authentic, allowing you to enjoy the simplicity that comes with drinking from glass. The 100% leak proof lid features high-quality stainless steel inside, ensuring no plastic contact with water. Features: 100% leak proof - The stainless steel lid is strong, hard wearing, taste-neutral and completely leak proof Nylon paracord carry loop - Strong, hard wearing, water and mildew-resistant paracord makes it easy to carry your bottle Protective + non-slip sleeve - The water bottle comes with a non-slip silicone sleeve, providing grip, added protection, and prevents condensation forming Smooth drinking - The thread is on the inside of the bottle so the outer lip is smooth and a pleasure to drink from Specifications: Dimensions: H:23.5 x W:6.5 x D:6.5 cm Colour: Green Material: Borisilicate Glass, Stainless Steel, Nylon, Polypropylene And Silicone. Model Number: GR-WB-M010