Double Layer Stainless Steel Portable Flip Cover Insulation Cup Creative American Straw Cup Long Lasting Paint Double Drinking Cup Cover Features: 304 stainless steel cup body and stainless steel straw Smooth cup mouth, double cup lid, silicone cup bottom does not slide Durable heat preservation, the vacuum of the cup will block the heat transfer You don't have to test your temperature with your mouth to avoid burns. 360 ° rotation, no need to worry about water leakage, good sealing Suitable for easy travel, outdoor sports, office, beach, school, picnic, hot yoga, hiking, camping, cycling, running, walking, gym, fitness, etc Product Description: Material Science: 1. Internal 304 stainless steel 2. External 201 stainless steel Size: 20 * 8 * 8cm Capacity: 500ML Package included: 1 bottle, 1 * pipette explain: 1. The liner shall be cleaned before the first use. 2. First clean the inner tank with a small amount of hot water or ice water (do not use steel wire balls), then pour it out and it with boiling water or ice water to ensure better insulation effect. 3. Please clean and keep dry after each use. 4. It is not recommended to store carbonated drinks in the cup for a long time to prolong the service life of the insulated cup. 5. Do not get close to the heat source or hit it violently. 6. Keep out of the reach of children to avoid scalding. 1. Elegant: Glass&Bottle offers an elegant and sophisticated design, making it a stylish accessory for serving beverages at any occasion. 2. Functional: With its dual-purpose design, Glass&Bottle serves as both a drinking glass and a reusable water bottle, providing versatility for various situations. 3. Durable: Constructed from high-quality glass material, Glass&Bottle is durable and resistant to breakage, ensuring long-lasting use. 4. Eco-friendly: By using Glass&Bottle, you can reduce your carbon footprint by eliminating the need for disposable plastic bottles, contributing to a more sustainable environment. 5. Convenient: Glass&Bottle is easy to clean, refill, and carry, making it a convenient and practical choice for staying hydrated on the go or at home. Its sleek design and functionality make it a great option for those looking to combine style and sustainability in their beverage containers.