Heart-shaped Plastic Refrigerator Magnet Clips Are Made From Durable Abs Plastic with a Strong Metal Spring & a Powerful Magnet on the Back. These Clips Securely Hold Notes, Photos, Reminders, & Lightweight Documents on Refrigerators, Whiteboards, Lockers, & Other Metal Surfaces. Designed with a Smooth & Glossy Finish, They Offer a Comfortable Grip & Are Resistant to Breakage. the Heart Shape Adds a Touch of Charm, Making Them a Great Choice for Home, Office, or Classroom Use.