Duma Diamond Shower Curtain Matouk Schumacher. 100% cotton shower curtain in a diamond printed pattern. From the Matouk collaboration with Schumacher Fabrics. Try it with the Matouk Shower Curtain Liner and some Fresh New Towels. You'll love the look. Machine washability makes it just perfect! 72" x 72" Shower Curtain Finished with 12 button Holes at Top. Custom sizes available upon request. Email for Quote Machine wash and tumble dry on low heat. 100% Egyptian Cotton Percale; Luca Fabric Printed. Matouk Shower Curtain Liner sold Separately.