BOT. GOMUG (Bottle Insulation Cold Stainless Steel Holder) Keep plastic bottles cold and warm as they are This is a thermal cold stainless steel holder that is just right for common 500ml to 600ml plastic bottles. The vacuum double-layer structure keeps the temperature firmly, so you can enjoy it until the last bite. Prevents condensation and protects your bag and desk Even if you put cold drinks in it, you don't have to worry about staining your bag, desk, or documents with water droplets to prevent condensation. You can use it with confidence even when working at a desk. Active both outdoors and indoors It is convenient for short outings, desk work, or even outdoor use such as camping. It's also perfect for outdoor work or staying hydrated after exercise. Portable and easy-to-use cap construction It comes with a screw-on cover cap to fit various shapes of plastic bottles. It is designed with a handle and is easy to carry. The cover cap contains a non-slip sheet, making it easy to open the cap of the plastic bottle even with the cover cap on. Products Size: W105×D85×H188mm Weight: 275g Main material: [Body] stainless steel, [cover cap] polypropylene, [non-slip sheet] silicone rubber inner dimensions: diameter 72mm, height 173mm~190mm compatible bottle Size: 500ml to 600ml common shape plastic bottles Color: Light Grey, Light Blue Country of origin: China *Thermal and cold insulation effects are indicative and are not guaranteed.