Come and Check Our Branding Solutions.This tea strainer is made of food-grade silicone and 304 stainless steel without any harmful chemicals. It has good heat resistance and corrosion resistance, absolutely safe to soak in hot water for a long time. The tea infuser has silicone "arms" suitable for most size tea cups. The fine 304 stainless steel filter mesh can firmly hold the tea leaves, avoiding the debris run out to destroy the taste of tea. Pls check inventory and detailed info before placing your orders.