Mrs. Anderson's Baking Pie Weights | Natural Ceramic Stoneware Beads for Blind Baking | Heat-Safe, Food-Safe, Easy to Use | Prevents Shrinking, Puffing, Bubbling | Individual Weighted Balls. Natural Ceramic for Even Heat Distribution – Lightweight ceramic stoneware beads spread heat evenly during blind baking, helping pie crusts bake uniformly without bubbling or shrinking.