Description color:Red+Green+Blue+Orange size:15*4cm Highest heat resistance:-40 C-400 C. They are made of food-grade silicone and steel and do not leave an unpleasant taste in the tea, in addition the capacity of the ball is more than enough for two cups of tea, the flexibility is even appreciable, resists regular use well, in particular ,the sheet protrudes from the cup, it is made of silicone so does not heat up or fall into the cup the stainless steel tea ball heavy enough to stay in the bottom of the cup or teapot, there are some holes in the ball which are not small enough but i don't promise they won't let more leaves through small, the infuser held perfectly in balance on the saucer and helps you not to wet the table or the tablecloth once the tea infuser is removed from the cup Silicone handle protects you from heating up and burning your fingers. Description This item is a nice and practical 4pcs tea infuser pack, which is made of stainless steel and silicone handle. Just add the tea leaves to the strainer and stir into hot water to make tea. It's a wonderful addition to any tea drinker's kitchen. Features The infuser itself floats in the cup for silicone buoyancy. Perfect for medium to large cups and tumblers. package including 4 * Leaf Shaped Silicone Handle Tea Infuser Strainer