FINE MESH TEA INFUSER STRAINER - Truly extra-fine mesh masking enables you to brew all kinds of tea and coffee grounds, even tea with really fine particulates (such as Rooibos, Herbal tea and Green teas). No debris can manage to get through the mesh.;INSULATION DESIGN - Thickened food-grade silicone lid keeps from heat emission while brewing or steeping tea. Silicone case protects your finger while removing your infusers from a tea pot or tea cup;ROOMY BASKET - a wide barrel to allow tea leaves to spread out fully and dance as they infuse, plenty of holes just the right size to effectively spread the taste while hanging on to the leaves;STANDARD SIZE - Just the right size for most cups, mugs or teapots (fits openings between 2.36 to 3.27 wide or depth below 3.60) allows you to brew several cups of tea at the same time;EASY TO USE AND CLEAN - the little strainer holes are well made and don't catch things when you are trying to rinse them out. Dishwasher safe