SATIN-LINED HEADBAND & INTERIOR: Our luxurious material reduces friction to prevent frizz. The satin-lined headband also prevents disruption across your hairline and edges while you rest. LIGHTWEIGHT AND BREATHABLE: Our premium lightweight microfiber fabric keeps your hair covered without weighing you down. You’ll sleep light as a feather. ADJUSTABLE BAND AND ROOMY INTERIOR: Accommodates various hair lengths, styles, textures. A secure and comfortable fit just for you. You can also store excess elastic in a convenient pocket at the nape of your neck. SAFETY AND PROTECTION: Sleep peacefully knowing that your hair is protected with the Hairbrella Sleep Cap. Customer satisfaction is our first priority! Even better, grab a bundle, one for your bag, car, or office, you won't ever want to be without your Hairbrella. Sleep peacefully knowing that your hair is protected with the Hairbrella Sleep Cap! Made with a lightweight and breathable microfiber exterior and a luxurious satin-lined interior, you’ll feel like you’re laying on a cloud all night long.