The La Luna company's sleep pillow is soft with microfiber filling, a synthetic material (artificial microfibers). The fibers are a soft material that gives the feeling of down. They are antimicrobial, hypoallergenic, and prevent the formation of odors. 

Additionally, they ensure that the pillow maintains the ideal temperature during sleep and offer great comfort, while also retaining their shape and being environmentally friendly. 

Finally, it is a medium-height pillow with medium support for those who prefer to sleep on their back or side, and it is suitable for those who are allergic to down.