-size:standard fcs fusion box，fit for all standard fcs base fin -quantity:3pcs/set -material:high quality plastic material，can used for long time -screw for fixing is included this plugs is without foam， if you want with foam，pls order below link http://www.aliexpress.com/store/product/fusion-fin-box-surfboard-fins-surf-fin-fcs-plugs/922972_32252677977.html