Singled Line Bonnet made with a smooth elastic band to keep it in place. Soft material: Bonnets are made of premium silk material, hypoallergenic, lightweight, breathable, easy to protect hair. Comfortable wearing experience: soft material with wide band sleeping cap that can protect your scalp and offer you a comfortable wearing experience. Multi-purpose: Bonnets Can be used while washing your face, or taking a shower, perfect to protect and fix your hair.**Highly recommend that you wash before use.