Washing Instructions for Satin Bonnet. Hand wash or machine wash in cold water on low setting/ gentle cycle. Air dry the satin bonnet cap. Adjustable Size Design. No-Slip adjustable strap gives you a comfortable secure fit. The slouchy beanie can fit all head size of men, women and kids. Comfort elastic leaves no mark on your forehead or weak edges while the sleep hat stays on your head all night. Functional Day and Night Beanie Hat is a necessity when you sleep or dress up in the moning for your curly hair life.This hair cover as a daily headwear also works great for running, cooking, gardening, shopping, walking the dog, or hanging around on windy days. Extra Large Hair Bonnet Beanies can cover all hair types from 1 to 4C. Heerf satin bonnet caps have plenty of room for natural hair, straight hair, wavy hair, curly hair, kinky hair, dreadlocks, braids, coily hair or hair extensions. No More Frizzy Hair. Our satin sleep caps is lined with incredibly soft satin. Excellent customized outer and inner fabric is particularly skin-friendly. Inside silky satin protects your hair, seals moisture of hair and increases brilliant shine. Machine Wash. Elastic closure. Satin.