Torbot Gricks™ Cut-to-fit Colostomy Closed End Disposable Pouch 3/4" Opening, 3" Adhesive, Waterproof Gricks™ Economy pouching systems are an inexpensive alternative to expensive disposables. Ready for adhesion and collection of ostomy excretions. Waterproof and worn with complete confidence. Cut to fit, easily adjust opening size with standard ostomy scissors. Great for travel and tests.