Silk Hold Ups by Cervin are our most luxurious hold ups. Feeling and seeing really is believing! A mythical fabric, a true symbol of refinement and luxury. These precious hold ups are 100% silk 20 denier with deep attractive lace 110 mm. Sheer indulgence!** Fit is something you need to take great care with, there is little or no stretch with 100% silk. Look carefully at the sizing. Also, please be aware that this product needs to be washed in non biological products and should be hand washed and laid flat to dry.