MAGIC TAPE CLOSURE:magic tape inside built to firm fit PREMIUM MATERIAL:thick&smooth synthetic leather well-made,water-proof,stain-resistant;soft inner lining,easy on&off;thick filling inside,protect mallet putter head very well IRON CLUB MODEL:1 size fits all:can be use to small size,oversized,normal size golf irons. Package contains:Pack of 10 for iron 4.5.6.7.8.9.P.S.A