Round coin tubes by HE Harris & Co. are made of high quality durable polypropylene materials. Built with a twist-off cap, the HE Harris & Co. round coin tubes safely protect and store Sacagawea, Susan B. Anthony and presidential dollar coins. Polypropylene round coin tubes by HE Harris & Co. come in retail boxes of 100. Holds 20 coins per tube. HE Harris & Co#: 90921286. Size: SBA/SAC. Sold in Packs of 100.