【HIGH-QUALITY MATERIALS】: Food grade 304 stainless steel material on the inside wall, silicone sealing ring, free of chemicals. Flask body is made of stainless steel and environmentally friendly paint, which is beautiful and does not rust.
【VACUUM INSULATION TECHNOLOGY】: Design of double stainless steel vacuum liner，Maximize at the right temperature maintain drinks and water temperature, Can keep hot or cold for more than 12 hours.
【PRACTICAL DESIGN】: It features a carry handle and insulated cover that can be used as a cup, hidden strap, easy to install and carry.
【APPLICABLE PLACE】: The stainless steel flask can keep cool & heat is use to fishing, working, sports, driving and even during camping or hiking.
【PLEASE NOTE】: If you fill hot or carbonated drinks, the bottle will generate air pressure due to shaking. Please pay attention when opening the bottle cap.