P323252 Prym button blanks. Made of stainless metal and a stable wire eyelet are available in many sizes with the complementary tool. A gearwheel on the inside helps keep firm the evenly-stretched fabric. The included instructions show how it works. A cutting template is also illustrated on the packaging for cutting a circle in the fabric. Depending on the textile used, the finished buttons can be washed at up to 60 degrees. Available in bulk packaging with 50 or 100 units for professional needs. 323252 23MM SILVER COL 50PCS