Slip silk. Laboratory Tested Hypoallergenic The beauty secret of celebrity hairstylists, dermatologists and beauty experts. Slip pure silk products are made using slipsilk, developed and refined for over ten years to provide the ultimate combination of shine, thickness softness and durability. Why switch to a slip pure silk pillowcase? Real results, real benefits in just 4 nights! Clinically shown * to visibly improve the appearance of fine lines, skin hydration texture and smoothness, skin radiance, luminosity or brightness. Over 95% of users agreed sleep creases, lines and wrinkles were fewer and less noticeable. 20"x 30. This item can only be exchanged or returned by mail. Loft Slip Silk Queen Pillowcase Pink Women's by Loft Size Regular - One Size Pink Women's