This removable infuser is designed to sit snug in your mug: the soft-touch silicon shoulders perch perfectly on the rim, and the stainless steel infuser is etched infuser with little 'w' shaped holes. It's Whittard through and through.
Searching for somewhere to store the infuser once your brew has reached the ideal strength? It's right under your nose: the nifty silicon lid doubles up as a drip tray.