About this item: PREMIUM MAGNETISM - The whiteboard magnets magnetism is much stronger than the usual refrigerator magnet, after testing strong can to 30 pcs of sticky note or 13 pcs of A4 paper with just one small push pin magnet at one time, small but powerful refrigerator magnets ensures that your work, your recipes, and what you want to show will not slideMAGNETIC PUSH PINS - the strong smartly designed as a push pin with a better curvature and a smoother appearance. The pushpin shape is easy to hold again and convenient to use, doesn't obscure exactly what you want to display.ANTIRUST & DURABLE - Push pin magnets are made of neodymium material, magnets apply three layers of electroplating(Nickel-Copper-Nickel), provide rust resistant protection and look shiny, greatly increase the of the refrigerator magnets.IN FUNCTION - Magnets for whiteboard perfect for kitchen, office, classroom, fridge, hanging pictures, storage cabinet bulletin boards, magnetic maps, calendars, lockers, file cabinets and other magnetic surfaces. The reusable magnets can also store coupons, restaurant menus, greeting cards and invitations or children's homeworkMaterial: neodymiumcolour: blackPackage Contents:15 x Refrigerator MagnetsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.