The mask is approximately 8"x3.75" and has an elastic strap (strap is not adjustable) *LUXURIOUS SLEEPING EYE MASKS* As a simple and unique gift for your bridesmaids event at the bachelorette party. Add these amazing masks to your robes order or purchase separately. They 100% match the color of the robes we offering at our store. https://www.etsy.com/listing/979435612/wedding-robes-silky-lace-robe-bridesmaid?click_key=5f392244083c920a176e48cae1d0b84b980e182f%3A979435612&click_sum=8b6efc29&ga_search_query=ROBE&ref=shop_items_search_12&pro=1&sts=1