The best way to hang papers anywhere on virtually any surface with no damage or messy residue. Remove and use again and again. No special surface preparation, no kneading, no waiting to use. Better than tacks, tape or glue! Simply press one clip onto any surface, slide paper under prong, and it's ready to use. Just twist to remove and reposition. Completely safe for home, office, classroom, workshop, hobby room, dorm, almost anywhere! 17 great colors. Package of 20.