ANAB GI silicone leaf tea infuser is perfect for making a refreshing cup of tea from your favourite loose leaf teas. Safe to use as it is made of FDA approved food-grade silicone & stainless steel. Works best with large & medium tea leaves. The steel ball's holes are specially designed to brew medium to large leaf loose teas. The holes allow the water to move through the tea leaves but keeps most of them in the steel ball. Makes tea in a jiffy without any mess. Silicone handle protects from the heat of hot water.