This set includes 8 containers, 8 colanders, 8 lids, and 2 divider plates in various sizes made from food-grade PP 5 material. The containers are safe for temperatures from -22℉ to 284℉. Their airtight design with silicone seals, locking clips, and removable colanders helps maintain food freshness. The price drops from $39.99 to $19.99 when you apply the coupon code "50M1ONZK" at checkout. Shipping is free.