The Fox Run 4571 Deep Tart Tins are a set of 18 round tartlet tins made of tin-plated steel. Each tin has a 2.5-inch diameter and a depth of 0.75 inches. The silver color and smooth surface coating make them ideal for baking pies, flans, and tarts. The durable construction and consistent size make these tart tins a practical and versatile addition to any kitchen.