Contigo West Loop Travel Mug Tea Infuser Accessory, Greyed Jade Fits into the Contigo AUTOSEAL West Loop Vacuum Insulated Stainless Steel Travel Mug (all sizes) Stainless steel tea basket with fine etched holes for superior brewing Fine holes ensure no tea leaves or dust in your tea infuser travel mug Drip cup to carry tea infuser when not in use Top-rack dishwasher safe Lifetime Warranty