Made Of Stainless Steel | Powder Coated Finish | BevGuardâ„¢ Triple Insulation For Keeping Your Drink Hot Or Cold | Screw-On BevLockâ„¢ Tritanâ„¢ Leakproof Lid Seals It Tight To Prevent Spills And A Magnetic Closure To Keep Lid Open While You Sip | Double-Threaded Design Allows For Left Or Right-Handed Use | Non-Slip Base | No Condensation | No Metallic Taste | Meets FDA Requirements | BPA Free | Dishwasher Safe