4> Highly elastic, its for most average adults head size. 2> Elastic Drawstring Design: The top of the silk sleep cap is designed with an elastic drawstring to prevent the bonnet from falling off easily, and can stay comfortably around temples and edges.

Protect your hair and maintain your style with our Premium Satin Night Sleep Bonnet. Stay-Put Design: Features a soft, wide elastic band that stays secure all night without leaving marks on your forehead.

Double-layered Reversible Satin】- Double-sided wearable Premium satin bonnets helps maximally MAINTAIN MOISTURE of hair and increase brilliant shine, doesn’t add any extra heat. Besides, it prevents hair loss, reduce frizz breakage and split ends. Super Soft, Smooth, Lightweight, Breathable and Skin-friendly.【Extra Large Fits All Hairstyles】- One size fit most. The diameter is about 33 cm/ 12.8 inches, Great for holding natural hair,dreadlocks, braids, weaves, waves, perms, rollers, Afros, buns, short, long, dry, tangled, shoulder length wavy, and up-dos. Keeping your various hairstyles when sleeping.【Adjustable Soft Elastic Band】- Hate headache or leaving a mark on the head? Our soft elastic makes you feel comfortable.The strentable band makes it roomy and comfortable. It fits around your head, stays put all night and doesn’t slip off, won’t give you headaches or leave an annoying marks on your forehead.【Great for Daily Life】- This head cover is really convenient in daily use. Not only can it be as sleep cap at home for preserving certain hairstyles and keep your hair healthy, but also a good helper when wash your face, skin care, hair beauty, makeup, do housework, take shower or relax at home.【Ideal Gift for Women】- It’s the best present for Birthday, Mothers’ Day, Anniversary, Thanksgiving, Christmas, New Year, Valentines for your wife, mom, girl friend, daughter who over 8 years old.