Annic Silicone Mr. And Mrs. Tea Infuser Tea Strainer (5, Colorful) These tea infusers are made of 100% BPA free silicone. and they do not have any strong odors or any noticeable taste to your tea. Safe , non-toxic, healthy and eco-friendly. They are durable and will last for a long time The silicone pants are hollow and flexible, allowing you to 'slip them off' Mr. Tea and fill them up with dried leafy tea before attempting to stuff them back on him . It is easy to slide his pants back on and doesn't slip off while hanging on the edge of mug. Tea Strainer fits most standard size mugs, tea cups or teapot. They are easy to clean and dishwasher safe.