It’s made of Polyester/ Stain. Add your brand to something that provides endless nights of being fully rested, with our high quality satin material eye mask. This sleep mask features an elastic strap for a one size fits all giveaway. Great for travel agencies, airlines and long road trips, have your company name or custom logo printed for instant brand recognition. 7 3/8″ L x 3 3/8″ W, The prices include shipping cost to ca. Thanks for your inquiry.