Wonder Wedges® are an ideal anatomically conformed interproximal wooden wedge made of sycamore wood for holding matrix bands when performing multi-functional procedures. Wonder Wedges® are available in natural and non-staining colors: blue, green, yellow and non-bleach white sized from 12mm-17mm. Perfect for every procedure. Wonder Wedges® keep filling and restorative materials in the matrix and reduce the formation of overhang, making polishing easier and quicker. Wonder Wedges® are easily removed and will not chip or splinter. Non-Latex