Easy to install? Pinch Pleat / Back Tab / Clip Rings (Rings not included) Easy Care: Machine washable in cold water, gentle cycle, tumble dry. Wrinkles on curtains are to be expected, so we recommend using steam iron on low heat from the back to remove creases/wrinkles. Do Not Bleach. Flax linen pinch pleat curtains ensure a completely dark room for undisturbed sleep. Their existence protect the privacy and balances room temperature by insulating against summer heat and winter chill.