Contigo AUTOSEAL West Loop Vacuum Insulated Stainless Steel Travel Mug for $12.78. Shipping is free on orders over $25. If needed, use this Filler Tool to pad the order for free shipping. It features AUTOSEAL technology that is supposedly leak and spill proof. It also has a top-rack dishwasher-safe lid and is 100% BPA free. Most places have it for about $24.