Set of 3 round Lunch Box made from food grade Stainless Steel. Inner silicone ring seal and clasp closing mechanism to prevent leakage. Oven & Dishwasher safe. Total capacity 1510ml.~ Capacity 250ml small, 480ml medium, 780ml large ~ Leakproof design ~ Oven and dishwasher safe ~ Made from 304 food grade stainless steel ~ Eco-Friendly & Recyclable