Sip, Seal, and Conquer! ☕️ Crafted from 100% BPA-free materials, ensuring your health is a top priority. Top-rack dishwasher safe lid means less time cleaning and more time sipping. The SnapSeal lid ensures a leak-proof experience, so you can toss it in your bag without worry. Fits most single-serve brewers and car cup holders, making it your ideal travel companion. Double-wall vacuum insulation keeps your drinks hot for 6 hours or cold for 12 hours—perfect for the on-the-go professional. Leak-proof lid Dishwasher safe Hot for 6h, cold for 12h The Contigo SnapSeal Byron Travel Mug is a 16 oz, vacuum-insulated stainless steel mug designed for the modern professional. With a leak-proof lid, it keeps beverages hot for 6 hours and cold for 12 hours, fitting seamlessly into your busy lifestyle.