These are piping bags (cornets) for holding the icing cream when making icing cookies. They are made by rolling food-safe OPP sheets. 【Size】 Large: 30cm x 30cm OPP sheet (rolled end size: approx. 20cm) Small: 20cm x 20cm OPP sheet (rolled end size: approx. 13cm) Although made with care, please understand that there may be slight variations due to being handmade. They will be packaged in an OPP bag and shipped in an envelope.