Great for crafting storage jar, container, gypsum decoration, home holiday decorations, Christmas present, birthday present, wedding decoration, Valentines present, and more. Crafted from food grade silicone. Soft and flexible, good durability, easy to use. Dishwashers, oven, and fridges safe, not easy deformed. Used as holder silicone molds, resin jar silicone molds, concrete cement silicone molds, and epoxy resin molds. For crafting cup, holiday party decoration, you could add various embellishments, such as dry flower, sequins, rope, resin color and other crafting supply you like. Sqaure shaped jar silicone molds, very suitable for crafting cup, tealight holder, container, storage jar, home decoration, or for epoxy resin. Use our silicone cup molds to make container. Could be used with concrete, cement, gypsum, clay, epoxy resin or for baking tool.