Head: CelluloseShaft: Stainless SteelCase: PolystyreneCap: Cork Thickness Length (mm) & Quantity: 0.55 x 48.0 / 15pcs. These pins are great for tacking standard fabric such as cotton hemp and wool. Manufactured by Tulip Company Limited. Warning: This product should be used for sewing purposes only. Please keep out of reach of small children. minimum 1 box