Laundry fragrance enhancer. New formula. Long-lasting fresh scent. Freshen up your laundry with the delightful fragrance of Fresh Linen. Powerhouse in-wash Scent Booster crystals will give your clothes, towels and linens a long-lasting fresh smell. Your family will enjoy and experience this promised freshness. Product sold by weight, not volume. Settling can occur during shipment. Prime value for your family!