This Silk Sheet Set contains: 1pc 19mm silk fitted sheet; 2pc 19 Momme Terse Silk Pillowcase. There are many reasons to use silk on your bed. Soft smooth and light it gives the least pressure on your body. Consisting of natural proteins that are very similar to ones in human hair silk helps reduce any potential allergic reactions. The sericin in silk dispels accumulation of melanin in your skin preventing/delaying any black spots from forming on your skin. The breathability and heat insulating properties make sure it is able to keep you warm without making you hot