The WoW Wool Pillow is Oeko-Tex Standard 100 and GOTS certified - ensuring that the product is free from harmful substances. Made with high-quality, Woolmark certified grade "A" merino wool filling and a soft, beige raw ( no chemical treatment and dyeing, bleaching) cotton shell cover. We do not use synthetic fabrics and fillings, which are unhealthy for you and the earth. Medium Firmness Bed Pillows Standard | Queen | King Size — We know from experience how important your sleep is. Each bed pillow is filled with premium wool batting and covered in organic cotton. Standard pillows are 20”x26” and filled with 1.6 lbs. of wool, Queen pillows are 20”x30” and filled with 2 lbs. of wool and King pillows are 20”x36” and filled with 2.8 lbs. of wool. The Wonders of Wool — Wool really is a wondrous fibre. Wool is an incredibly clever natural insulator that can keep you warm or cool when you need it to, thanks to tiny pockets of air within each wool fibre that provide both insulation and breat