OMWAH Portable Hair Blow Dryer Cap Treatment Hood Soft Bonnet Attachment Use with hair dryer, to convert your hair dryer into a professional hair drying system. Safe, comfortable and convenient to use. Color: Silver Great for any hair treatments, deep conditioning, hot oils and more! Bonnet diameter: about 26cm, Length: about 65cm. Elastic at the end of tube holds the hood on the hair dryer. Drawstring to tighten around head.