Diaper Cleanup Made Easy! Kushies diaper liners are flushable and fully biodegradable - simply discard in toilet or waste bin. Can be used with any cloth or disposable diapers for hygienic disposal of waste. 100% natural wood fibers. 100 4¾" X 13½" perforated sheets per roll. Not recommended for septic tanks. Instructions: - Tear sheets at perforations - Place diaper liner flat in center of diaper - After diaper is soiled, discard diaper liner in toilet or waste bin - For overnight use, two liners are recommended.