Made Of Stainless Steel | Powder Coated Finish | BevGuard„¢ Insulation For Keeping Your Drink Cold For 24+ Hours And Hot For 4+ Hours | Screw On, BevLock„¢ Spill Resistant Lid With MagFlip„¢ Technology To Keep Your Lid Open While You Sip | 100% Leakproof  | Easy On & Off OctaLock„¢ Threading System With 8 Different Drinking Positions | Durable And Removable Color-Matched Silicone Body Sleeve Protects Against Drops, Dents And Dings  | Left And Right Hand Friendly  | Scratch-Resistant And Comfort Grip Handle  | Cup Holder Friendly  | No Condensation | No Metallic Taste | Meets FDA Requirements | BPA Free | Hand Wash Recommended