Material: Buckwheat rattle, lavender potpourri, lavender essential oil. *Please avoid using this product if you are allergic to buckwheat allergies. Handmade by Hokkaido Artisans, Lavender Potpourri, Essential Oil, and a good nights sleep pillow. How about relaxing? ★ Sleeping in the scent of lavender will give you a relaxing effect and a relaxing sleep. ★ This pillow is carefully handmade by artisans in Hokkaido.