Made Of Stainless Steel | Powder Coated Finish | BevGuard™ Insulation To Keep Beverage Cold Or Hot | • Screw-On BevLock™ Tritan™ Plastic Leakproof Lid Seals It Tight To Prevent Spills And A Magnetic Closure To Keep Lid Open While You Sip | Left And Right Hand Friendly | Non-Slip Base | No Metallic Taste | Cup Holder Friendly | Meets FDA Requirements | BPA Free | Dishwasher Safe