Material: 95% cotton, 5% spandex. Color: Black/Gray. Size: Hat circumference 55 cm/21.65 in, with good elasticity, fits most adults head sizes. Features: Blackout, soft, breathable, windproof, warm, skin-friendly, lightweight, elastic. Versatile Usage: Use it for sleeping at home, during travel, on planes, for meditation, or as a comfortable yet slouchy beanie cap. Practical Gift: A perfect gift for your friends or family, suitable for seniors, travelers or anyone seeking comfort, warmth, light-blocking convenience. Premium Material: Made from high-quality cotton, this sleep cap is exceptionally soft, breathable and gentle on your skin. It provides superior comfort without causing irritation or overheating, making it ideal for all-night wear Light-Blocking Function: The snug, enveloping design effectively blocks out unwanted light for a deeper, more restful sleep. It also helps muffle ambient noise, perfect for creating a peaceful sleeping environment All-Season Warmth & Comfort: The soft cotton fabric provides gentle warmth, protecting your head and ears from drafts. It's perfect for chilly bedrooms, camping, or travel, or simply when you need extra coziness indoors Versatile Usage: An essential accessory for various scenarios. Use it for sleeping at home, during travel, on planes, for meditation, or as a comfortable yet slouchy beanie cap. Its minimalist design suits everyone Practical Gift: Hand wash air dry or gentle machine wash is recommended. This slouchy beanie can be a perfect gift for your friends or family, suitable for seniors, travelers or anyone seeking comfort, warmth, light-blocking convenience