Fridge Magnets, 24 Strong Metal Magnets 12 X 16mm - Stainless Steel Fridge Magnets For Corkboard, Fridge And More. - With Storage Box FG05 Excellent quality: the surface of the magnets has a triple coating: nickel-copper-nickel. The solid metal surface protects the magnet from breaking and greatly extends its life. Perfect size Strong magnet: Product size: 24 pieces 12 x 16 mm. Each neodymium magnet can hold up to 20 sheets of A4 paper on a metal surface (only 10 sheets of A4 paper on a whiteboard). Wide Usage: Ideal for attaching paper, photos, cards and notes to various metal surfaces, such as refrigerator, whiteboard, aluminum shelf, etc. Also suitable as a hook for hanging keys etc. [Not suitable for magnetic glass or magnetic glass boards] Easy Grip Moving: Extremely non-slip tapered handle makes it easy to attach or move magnets. Packed in a portable storage box to better store your magnets. Never lost a magnet Attention: Not suitable for children under 3 years old. There is a risk of choking due to small parts that can be swallowed. STAY AWAY from patients with pacemakers and defibrillators