! ! ! This bed sheet has edge markings, blue thread - to recognize the sheet from other size sheets, duvet covers etc. * The bed sheet is produced especially considering the needs of hotels. The bed sheet is durable. We have tested our bed sheet in large hotel laundries and the material is suitable for handling in industrial laundries. * The dimensions of the bed sheet have been made taking into account the standard dimensions of hotel beds and the shrinkage of the bed sheet in the wash has also been taken into account. * All products meet OEKO-TEX 100 standard * Bed-linen can be marked as an additional service with a special washing label. Additional info item VP343