Generic Lot Silicone Mr.tea Infuser Loose Tea Leaf Strainer Herbal Spice Filter Diffuser Brand new and high quality Mr. Tea is the perfect companion for your afternoon tea Material: Soft silicone rubber Size: Approx 8cmx6.5cm/3.15"x2.56" Mr. Tea is made of pure, food grade, silicon rubber that can withstand temperatures from -22 degrees F to 450 degrees F