V&Auml;RDERA 2PCS egg cup with a square base, made up of 4 inches, white porcelain Ikea products Stacks for easy storage,Durable, bright white finish . Dishwasher, microwave, oven and freezer safe . 4x4inch square base porcelain cup containing egg upright position and cafeteria. Made of feldspar porcelain, which makes the cup impact resistant and durable. VRDERA 2PCS egg cup with a square base, made up of 4 inches, white porcelain .