Includes standard pillowcases 100% cotton sateen material 300 thread count secure zipper fastening machine washable a delicate watercolour design has been digitally printed onto 300 thread count 100% cotton sateen for exceptional colour and fidelity, and completed by a micro piped edge. The cover has been fitted with a easy to use zipper fastening that will secure the cover while in use. This product is oeko tex made in green certified, meaning it was produced in oeko tex s te p certified factories verifying environmental, social, and chemical standards in the facility. It has also been certified to oeko tex standard 100, the original safety standard for everyday confidence. To offer full visibility, the production stages throughout the supply chain can be traced.dormaestablished in 1921, dorma is a british heritage brand synonymous with quality, luxury and impeccable attention to detail. Dorma our name is your guarantee.