ecoSpring Stainless Steel Water Bottle with Straw Lid & Travel Bag &ndash; Portable Thermos For Sports &ndash; Double Walled Water Holder Vacuum Insulated Flask For Hot & Cold Drinks &ndash; Sweat Proof Design &ndash; 18 oz THE TEMPERATURE HOLDING & COMFORT. NOTHING ELSE Our main purpose is to give customers high-quality material, holding the temperature comfortable and comfortable add-on for use. CHECK NOW! SPECIAL STRAW TUBE Comfortable for drinking hot drinks. Tight connection. The small hole for holding the temperature. HOLD TEMPERATURE: This vacuum insulated thermos keeps your drinks cold up to 16 hours and hot up to 8 hours. Ice cubes remain intact for a long time. PORTABLE: Perfect for the cup holders in the car, on a bicycle, in bag TWO COVERS & BAG: Wide mouth and straw tube. From the wide mouth is pleasant to drink cold drinks and to lay down the ice. With straw pleasant to drink hot beverages. The air in the straw removed - thick insulation