Smooth protecting salon blowouts & eyelash extensions. Soothing for skin while preventing facial creases as you sleep. Keep you cool during the summer, and warm in the winter. Like a Nightly Spa Treatment for hair & skin & lashes. Washing: Backside washing, Soak time should be within 3 minutes. Gentle hand washing in cold water(below 30C) or Dry Cleaning. Wash separately from other items to avoid color mixing. Drying: Backside dry, Wrap the silk pillowcase in a dry towel to remove most of the water. Roll out the silk pillowcase and straighten it gently at the corners. Lay at a shady place and air dry. Do not wring drying· Do not expose directly to the sunlight. Daily Care: Always iron the backside at any suitable temperature only. Smooth the arms down and fold them in half for storage. Package included: 1 piece x 22 Momme Silk Pillow Cases (Cases only, does NOT contain a pillow. Size: Standard - 20x26inch / 51x66cm; Travel - 20x14inch / 51x36cm.)