Primary Cal King sheets * 10 snaps each on the long sides of the duvet cover — requires matching top sheet. * 4 corner duvet ties to keep duvet cover in place. * Invisible teardrop zipper. * Machine washable metallic snaps. * Minimalistic design. * Soft & Airy. * 100% pure, unblended, long-staple linen. * Stonewashed, increasing softness & flexibility. * Naturally-dyed & free of harmful chemicals. * Garment-dyed to ensure even color throughout. * OEKO-Tex certified. * Global Organic Textile Standard (GOTS) certified. * Sourced from Volckerinckhove, France. Primary Bedding: Mattress Advisor (2018) https://www.cnn.com/cnn-underscored/reviews/primary-goods