Contigo Snapseal Vacuum-insulated Stainless Steel Travel Mug, 16-ounce, Black SnapSeal lid features a 1-piece leak proof lid Easy, one-handed use Double-wall vacuum-insulated stainless steel keeps beverages hot for 6 hours or cold for 12 hours; 100% BPA Free Fits most single-serve brewers and car cup holders Top-rack dishwasher safe lid