When you want to cook for your family, the Dough Boxes are definitely you need for dough-making. Dough Box inlaid a reinforced stainless steel frame inside which makes it more stable.It will not tilt leakage the water when you fill it with sauce/soup and move it into the freezer. Dough Box enables you to prove dough balls in individual containers so they don't stick together. Chill, freeze and defrost leftover dough balls while holding a plump round shape. It holds the dough ball in a plump round shape as it rests.Maintains shape while dough balls are freezing and defrosting. THE SECRET TO PERFECTLY ROUND PIZZA: Master your bake by starting with a flawless dough ball. These containers are specifically designed for precision cold fermenting, keeping each individual portion hydrated and intact. No sticking, no squishing—just professional, restaurant-quality crust every time. Sturdy steel reinforced construction:Silicone Dough Box inlaid a reinforced steel frame inside which makes it more stable, each tray holds 500 ml. Air-tight: Clear tight fitting lid protects dough from drying out and keeps out odors. 100% Food Grade Silicone: BPA Free - Dishwasher Safe. Dimension of each Dough Container is 5.3 x 5.3 x 2.6H inches, volume:500ml.