Willowbrook Fresh Scents scented sachets contain essential oils, are printed on 30% recycled paper and are 100% biodegradable, making them perfect for cars, closets, gift baskets, vacuum cleaners, bathrooms, trash cans or just about anywhere. Approximate size 7 Cubic Inches. Balsam Fir melds the sharp, crispness of wintery fir needles with spicy, resinous cedar wood all softened by the sweet allure of sandalwood.