1.Use You only need 4 steps to easily enjoy delicious. 1. Pour yogurt. 2. Cool for 48 hours. Remove and serve..4. Strain whey to serve. Cooling filter natural drain, fridge cooling filter 48 hours automatic separation. Different filtration time effect you want to thicken thick, need to cool for more than 48 hours. 2.HEALTH MATERIAL Made of high quality BPA materials (304 filter lid: AS Outer Box: PET, the yogurt strainer ensures food preparation and ensures durability. Its robust construction guarantees longlasting performance. 3.Upgrade leak protection design: our yogurt strainer has lid design to avoid dust and odour..Ventilation holes on the lid, close the ventilation holes to seal the food. Open the ventilation holes to ventilate the food. Builtin sealing varnish, sealed without smell. 4.More intense yogurt: our yogurt strainer has 304 steel screen fine mesh bag, it is rust and corrosion resistant..Fine holes, thoroughly filter, yogurt, nut milk and other liquids effectively, remove excess moisture and leave you a smooth and creamy texture. Let you taste more intense yogurt taste. What more, fine mesh bag is removable for easy cleaning.