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 110mm 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