Goody SlideProof hair accessories give you one less thing to worry about. Designed to not slip or slide, wear your hair in a ponytail, bun or show off a new style with a secure hold that's comfortable for day or night. Black color looks great day or night. 6mm headwraps are thin - great for layering. Keeps your style looking great for all occasions. Gentle hold for comfort. SlideProof hair accessories feature a nonslip grip to help secure hair.