316 STAINLESS STEEL INNER TANK === The vacuum cup liner adopts 316 stainless steel,Easy to clean, corrosion-resistant and safer. Compared with the traditional seam liner, the 316 stainless steel seamless liner solves the concern of rust spots and bacteria in the welded seam, and gives children a healthier water cup! KEEP IT HOT OR COLD === Our Classic Vacuum Bottle is made with superior insulation that keeps liquids (soup, coffee, tea) hot or cold drinks cool for up to 24 hours.The double wall feature prevents condensation and burns, retaining the temperature of your beverage.Its also made with BPA-free materials, keeping its contents safe to consume LEAK PROOF & SWEAT FREE=== Double lid locks of bottle and silicone rubbers ensure no leak even the water bottle is tipped over or shaken; Coated with high-quality powder outside, this drink flask is anti-slip andoutstanding insulation, no matter the temperature of the liquid in this bottle, it will never sweat or be hot to the touch 2 LID AVAILABLE - Vacuum insulated water bottle is one of the more versatile ones out there, providing two different lid covers, easy to share with family and friends ,like a spout lid with a twist-on flip cap for a comfortable straight drink or a water cup lid with handle for pouring out and drinking slowly. Fits most cup holders and makes a perfect travel companion. TAKE IT WITH=== Our stainless steel water bottle is very suitable for daily use and can be taken with you, Such as hiking, Biking, Beach, Camping,Travel,School or company,Put the portable hot drink cup in the side pocket of your backpack or as a daily companion to help you stay healthy and hydrated!