These oyster grilling shells are made of premium 304 stainless steel, featuring excellent corrosion resistance and wear resistance. They are resistant to deformation and rust, and are eco-friendly and hygienic, making them safe for direct contact with food. Each shell measures approximately 4.88 x 3.15 x 0.51 in., with a built-in deepened groove that can hold more sauce than natural seashells, satisfying various seasoning needs. One end of the shell is designed with a widened, flat handle, allowing for easy one-handed gripping and handling. The set includes 24 grilling shells with a stackable design that saves space during storage; they can be placed directly on dining tables, trays, countertops or in drawers. These versatile grilling shells are not only ideal for roasting seafood such as oysters, shrimp, scallops and clams, but also perfect for making appetizers, baked eggs and desserts. They are compatible with multiple cooking appliances including ovens and grills.