Worry about insufficient magnetic force? As the triple-coated industrial-grade magnet (nickel-copper-nickel alloy), every BUSATIA magnet owns magnetic force to fix 11-17 sheets of A4 paper, photos, memos, etc. on the magnetic board. Packing size: 14*9*2cm. Product size: 12x16 mm. Worry about the magnets to be easily broken? Due to perfect protection by metal shell, BUSATIA 36PCS magnet will never break even if accidentally dropped from a height. No hole drilling or installation, just stick to any magnetic or metal surface containing iron or nickel for instance use, so that you can organize the space anytime and anywhere. Worry about insufficient magnetic force? As the triple-coated industrial-grade magnet made of neodymium (nickel-copper-nickel alloy), every BUSATIA magnet owns super magnetic force to fix 11-17 sheets of A4 paper, photos, memos, etc. on the magnetic board. Packing size: 14*9*2cm. Product size: 12x16 mm. Never worry about losing Portable storage box can help you with better storage and its suitable for whiteboard, refrigerator, bulletin board, magnetic map, calendar, storage cabinet and file cabinet as the ideal assistant for home, office or travel.