30 Pack Green Domino Magnetic Holders By CMS Magnetics - Can Hold 37 Pieces of Paper Powerful: Can Hold Up to 37 Pages of 20 LB Paper on a Steel Cabinet. 12 Pages on Magnetic Whiteboard. Right Size and Easy to Grab Colorful: Each Magnet is Securely Embedded in a Bright Green Plastic Case, Great for Planner Boards, Projects or for Other Management Plenty of Applications: Great for Ads and Ready for your Logo! Great for use in Offices, Schools, Restaurants, or Around the Home Economical: Low Cost but Great Holding Power. Will NOT Slide Down from Your Fridge High Quality: Made with ISO 9001 Quality Systems Means its Made to the Highest Standard