For us: Love to nature has always been an essential part of our lives, and we realize that returning to nature is the ground for the profound recovery sleep. Our pillows are an attempt to bring you closer to the natural world. Benefits: - Sweat free breathable pillow - Adaptable to head shape and any sleeping position - Ability to individually adjust pillow height - 100% natural non-allergenic materials - Suitable for head and neck pain Cover cases: - Zipped cover case: Made of two layers of 100% cotton fabric. In between the two layers, there is a 100% cotton wadding (80 gr/m2, Made in Germany). Certified by OEKO-TEX STANDARD 100. - Inner case with a zipper for the filling: Made of 100% cotton fabric. The filling is made of millet hulls. They are produced organically in Germany and Austria . Certified by the authorities for organic certification: Lacon GmbH - Germany, At-Bio-301 - Austria.