Tea-Strainer. Tea on the Go with This Removable Tea Filter, Consisting of 3 Components: a Stainless Steel Metal Strainer Basket, Equipped with Tiny, Etched Holes, a Screw Lid Snap & a Leak Cup. Suitable for Both Tea Bags & Loose Tea. This Accessory is Bpa-Free & Only Fits the Contigo®. Stock Availability: Up to 1000 Pcs Accessible Within 10 Working Days Plus Standard Lead-Time. Subject to Availability. West Loop Mug Item 4972. Each Piece in a Box. Minimum Quantities Apply.