These Premium Organic Sheets were designed in Europe as special collection, beyond basics. Made on Jacquard / dobby design pattern, they are soft, elegant and upscale. Fabric is made from fine 310 TC organic yarn and processed using low impact dyes to achieve superior elegant look while keeping the product and environment free of toxin substances. It does not have crease recovery agents (usually formaldehydes) or softeners (usually silicones) nor any other toxic substances so that you have no fear of off gassing or toxic chemicals. Great product for healthy family comfort and the planet. Fabric is certified under GOTS (Global Organic Textiles Standards) and is also fair trade and several performance specifications compliant. Healthy and caring.