Lilypad Tea Infuser Set - Lid, Infuser, Mug & Coaster All-in-one device that includes a 4-Inch Lilypad lid and tea infuser bulb for brewing and heat retention Versatile design allows you to use your current teapot or the included borosilicate glass mug Glass mug includes a non-slip silicone base to reduce noise and condensation. Use the lid to protect your hand as you remove the bulb and dump used leaves