Deep Sleep Anytime, Anywhere: Use this lightweight, comfortable sleep mask in bed, on a plane, during a car trip, or while camping to enjoy uninterrupted, restful sleep. Ideal for use at home, in hotels, on trains, or any place with unwanted light. Includes one mask. Other colors sold separately. Increase REM Sleep: Promote faster, deeper sleep by naturally blocking light with this 100% premium silk eye mask. Silk is breathable and gentle on skin, helping support improved mood, energy, and cognitive function. Includes one mask. Other colors sold separately. Sleep Freely in Any Position: Designed to minimize pressure on the face, eyelids, and lashes, this sleep mask provides light blockage without discomfort. The soft, adjustable strap ensures a secure and comfortable fit for all sleeping positions. Adjustable Soft Elastic Strap: The comfortable, adjustable strap stays in place throughout the night and is suitable for use during meditation, yoga, or when applying eye treatments. Lightweight and ergonomically designed to fit securely on the face. Color: Navy blue (1 piece)