This slipsilk contour sleep mask is designed to protect your delicate lashes while you get your beauty sleep—the beauty secret of celebrity hairstylists, dermatologists and beauty experts. You asked. They listened. The contour sleep mask is designed to protect your delicate lashes. Imported Product Specifications 3.8" x 8.4"; 9.5 cm x 21.2 cm Material & Care Made from 100% highest grade (6A) long fiber mulberry silk with a thickness of 22 momme and 100% PU foam filler (exclusive of elastic and piping) Hand wash