MIXING BOWLS WITH LIDS These sturdy and attractive mixing bowls with clear lids keep your food material fresh in the refrigerator storage. The set comes with 5 Qt, 4 Qt, 3 Qt, 2 Qt and 1.5 Qt bowls and lids. STACKABLE These stackable metal bowls are dishwasher safe, compact, and are designed to be nested for the perfect fit in your kitchen cupboards. The nesting, space saving design is great for smaller kitchens and makes transport conveniently. THICKENING 0.45MM DEEPEN ARC BOTTOM DESIGN It is with thickening 0.45mm sturdy design with nice touch feeling. deepen arc bottom integrated design ensure clean smoothly, no worry spatter matters. NON TOXIC AND FOOD-GRADE MATERIAL The soft airtight lips materials are non toxic and with food-grade material ,it is safe for kids and adults,all your family! AIRTIGHT SEALING CHARACTER With airtight sealing lips,anti-dust,anti overflow, anti string odor.