Cocoon Travel PyjamaSilk-cotton combines Egyptian cotton and silk, our two most luxurious fabrics. The result is an exquisite and durable 55% silk / 45% Egyptian cotton blend that is slightly heavier and stronger than pure silk. Just like silk it responds well to changing temperatures, is compact, and soft to your skin.Features: *Size: M *Cleaning : Hand or machine wash (30oC; gentle cycle) with mild detergent or dry clean. Do not bleach or use stain remover. Wash separately. Drip or tumble dry low. Do not wring.