High temperature (low temperature) resistance, high heat resistance up to 250°C(low cold resistance up to -40°C). Suitable for making tea, effectively preventing the inconvenience caused by tea residue for drinking tea. It is elastic, comfortable to touch, extremely toughness , non-stick, easy to clean. The elegant and stylish shape is very beautiful, it can be used to filter tea leaves. The tea filter is made of food grade silicone, which is environmental protection and safe.