The SweetDreams Sleep Mask is a great entry level countered sleep mask that is designed to contoured to your face and around your nose whilst keeping it off your eyes allowing you to freely open and close them. It does a great job at fitting well on most heads and does a reasonable job are blocking out light.
The Deluxe Delta Sleep Mask is the Rolls Royce of sleep masks!! This sleep mask is fully customizable to fit any size or shape head and ensure its 100% light blocking every time! The eye pieces are fully removeable and can be positioned perfectly to sit over your eyes ensuring a perfect fit whether you’re a side sleeper or back sleeper. It is also made of very high-quality cotton making it very comfortable, breathable and lightweight. This mask is more expensive but worth every extra cent!