Heat-resistant glass + thickened silicone, hand-blown heat-resistant glass, environmentally friendly material, suitable for both hot and cold drinks and convenient to use, thickened silicone filter with double-layer filter structure, food-grade stainless steel, fine, precise, strong and powerful filter effect, double-layer filtration, no filter paper needed, no residue, heat-resistant glass, can withstand high temperatures, high transparency, can withstand a temperature difference of 120 °C, with precise graduation, easy to calculate the extraction capacity, V-shaped spout, smooth pouring and easy to use. Small filter, great benefit, double-layer encrypted filter, suitable for filtering coffee, tea and other drinks, more environmentally friendly than flannel, more hygienic than a French press, filters cleanly, filters coffee with virtually no residue, recyclable, practical, easy to clean, rinse immediately after use, you no longer have to worry about forgetting filter paper, saves money on filter paper