Made Of Stainless Steel | BevGuardâ„¢ Triple Insulation For Keeping Your Drink Hot And Cold | Screw-On BevLockâ„¢ Tritan 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 | Cup Holder Friendly | Non-Slip Base | No Condensation | No Metallic Taste | BPA Free | Meets FDA Requirements | Dishwasher Safe