Hair Cover with Premium Quality: Our satin-lined sleep caps, especially the new solid colors, pass colorfastness tests against water and oil. Crafted from 95% breathable cotton, 5% Spandex, and a color-fixed 100% premium satin lining, these caps ensure no fading while you sleep. Hair Bonnet Features with Unique Patent Pending Adjustment System: Our size adjustment system is a different take on the stretch strap, featuring a low profile side-release buckle, an adjustable slide and stretchy 0.6-inch width elastic strap; Our side-release stretch strap was designed to incorporate all the best features and functionality of similar satin bonnet cap. Silk Satin Sleep Cap for Curly Hair: Our satin bonnet with full cover premium satin helps to protect your hair from the dryness caused by friction between your hair and moisture-absorb materials such as cotton; This hair cover slouchy beanie helps to reduce hair frizz, tangles and thinning; If you have curly or wavy hair, you know that sleep can cause a serious mess. Functional Beanie Hat : This versatile satin bonnet is ideal for daily wear, sleep, workouts like running and basketball, and protection on windy days. It’s designed with a soft front and extra space to accommodate long hair and larger heads, while the satin lining shields your hair. Washing Instructions for Satin Bonnet: 1. Hand wash or machine wash in cool water on low setting/ gentle cycle; 2. As a general rule, satin can be hand washed with cold water and gentle soaps;It should be laid out flat or hung to dry, although satin should not be attached with clothespins, since they will leave marks..