Swig x Scout Limited Edition Insulated Mug & Stainless Steel Tea Infuser Mug is 18oz and retails for $39.95. It is no longer available on the Swig website. The stainless steel tea infuser sits right in the cups opening and has a lid to keep your drink warm that can also be used to set the infuser on when you are finished with it. Lid has some staining.