This Black Organza and Floral Lavender Sachet is useful in diminishing stress, easily fits in a gym bag, or locker and makes a unique gift. The contents of each sachet is Oregon lavender, and only lavender, thus there are no other fillers. Lavender has plenty of its own natural oils, so give it a gentle squeeze to slightly bruise the buds to draw out more fragrance. This sachet should not be heated or put into a microwave oven.