Made with quality acrylic,the wave collection offers a multitude of quilting possibilities.Six unique wavelengths are included in this collection.Gentle,Rolling,Wiggly,Chainlink,Serpentine and Unbraided.Creat nautical and airy movement,woven rope,fencing,vines,wany crosshatch,feather spines,custome edge-to edge,and more.Be sure to use the appropriate ruler foot for machine as well as a stable ruler base/platform.table.