Designed with deeply molded cups, the Nidra Deep Rest Sleep Mask curves away from your eyes and eyelashes for rub-free comfort that blocks 100% of the light without smudging eye make-up or compressing your face, eyelids, and eyelashes while you sleep. Using advanced ergonomics, the Nidra Deep Rest Sleep Mask uniquely contours to your face and eyelids for maximum sleeping comfort. Look and feel well-rested, refreshed, and energetic.