Food-Grade MaterialBPA-free,including PET lid and box,silicone sealing ring,PP handle and draining board. 3.3 Qt Large Capacity11.4"L x 7"W x 4.7"H,convenient for storing and organizing ingredients. Silicone Sealing RingMoisture-proof and leak-proof,locks in freshness. The of the lid includes 2 vent holes to balance the pressure inside and outside of the box. Draining BoardThe food container features an elevated draining board inside,which can separate and drain water,making it convenient to store washed fruits. Reusable Ice PackA reusable ice pack is included inside the food container. Its persistent low temperature can extend the freshness of food. Usage: inject water into the pack(below the water level line),wait for the water to gel and use it after freezing. Note: This product is non-toxic,and the contents of the pack are NOT edible. Do not pierce the ice pack with sharp objects. Portable HandleThe food container comes with a handle,making it portable and convenient, for taking on outdoor picnics! Refrigerator SafeIt can be placed in the refrigerator,resistant to low temperatures without deformation,sturdy and shatter-resistant. Dishwasher not recommended..