These are cornets (piping bags) for holding the icing cream when making icing cookies. They are made by rolling food-grade 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) Each one is carefully made, but please understand that there may be slight variations due to the handmade nature of the product. They will be packaged in an OPP bag and shipped in an envelope.