Cindy & Will 1Set Plastic Oven/Refrigerator Vegetable/Fruit Keeper/Crisper/Storage Box Kit, Transparent, S, M, L Set of 3Pcs. Small: approx 13.5cm * 9.5cm * 5cm. Medium: 16.5cm * 11.5cm * 6cm . Large: 20cm * 14cm * 7cm respectively. 1Set is including three boxes. Healthy PP mateiral is durable and it isn't easy to break. And it can be sealed tightly without leaking out. Low and high temperature resistence is -4F and 248F. Silicone seal ring has high density interconnect, wearproof and leakage-proof. Ear clip design make it have advantage which is air-proof. It is very convenient and durable.