LIGHT BLOCKED – With oversized construction and a soft cotton exterior, SUWEISHI cotton eye masks provide wide coverage and prevent light leakage when you move. FULLY ADJUSTABLE STRAPS: Unlike elastic straps, this mask's extra-wide design puts no pressure on your eyes or ears, allowing the contours to perfectly fit the curves of any face. Hidden smooth Velcro allows for easy length adjustment to fit all heads. Sizing fits men, women and children without clinging or messing up hair. COTTON: Our eye masks are made of soft, breathable cotton that provides a comfortable touch against your skin and is odorless. Fits perfectly and won't fall off while sleeping. It is also very durable and does not shed lint even with prolonged use. Easy to clean by hand with mild detergent. Best sleep companion: You hardly feel like you're wearing anything when you fall asleep. Improve sleep quality and ensure healthy and pleasant sleep. Give you more energy to work and study. Suitable for different types of occasions such as nap, travel, relaxation, etc. Suitable for home, office, etc. for shift work, meditation, etc.