These hand make these wool pillows are made with Premium Eco-Wool batting and covered with organic cotton Sateen fabric. Pillows made with wool batting are smooth, soft and are available in 3 different thicknesses to suite your comfort: Light Fill, Regular Fill & Extra Thick. These varying thicknesses come in standard size only. We also make a queen or king size pillow in Regular Fill. Please know that your wool pillow will be very fluffy upon arrival, but will settle over time with the weight and heat of your head. This will not change the support and comfort this pillow provides. Expect about 30% compression. For children, we recommend the Light Fill. The regular fill is our most popular thickness.