The In-Wash Scent Laundry Booster Crystals in Fresh Linen by Powerhouse is a 12-oz container of crystals designed to be used in the washing machine to give your laundry a fresh and clean scent. These booster crystals are specifically formulated to be used in the wash cycle to help eliminate odors and leave your clothes with a pleasant aroma. Perfect for use in both residential and commercial laundry settings, these crystals are a convenient and effective way to keep your clothes smelling fresh and clean.