【3 Different Size】- Total of 400 Pcs can meet a variety of needs(3mm X 1mm X 200Pcs, 4mm X 2mm 100Pcs, 5mm X 2mm X 100Pcs). Ideal as dry erase board magnets, push pins magnets, note or photo walls, crafts, DIY materials, etc | 【Durable Magnets】- The small round neodymium magnets are made of brushed nickel silver finishing material, durable materials, have high resistance to demagnetization, corrosion and oxidation. So you won't have to worry about the mini crafts magnets losing their pull as they get older | 【Scratch-free Technology】- Each of our small strong neodymium magnets has a smooth surface, which can be easily removed without leaving scratches on your refrigerator or office board. Do not worry it might scratch the fridge or your new table anymore | 【Unlimited Uses】-The tiny strong magnets can be used as refrigerator magnets, whiteboard magnets, map magnets, kitchen magnets, shower door magnets, office magnets, or used for scientific purposes, arts and crafts or school classroom and so on | 【Professional Brand】- We are professional small refrigerator magnets seller and you can find any magnets you want in our store. Any question please contact us freely. Give full play to your imagination, Try Magnets, Try everything!