【Delicate & Powerful】Each push pin can holds up more than 22 Piece A4 sheets,You can attach them to the refrigerator, white boards, maps, etc 【Wrapped with Metal Shell】 Magnetic part is air isolated and shatterproof. This will be the most practical and durable magnets you have ever seen. 【Widely Used】 Perfect for refrigerator magnets, office magnets, whiteboard magnet, dry erase board magnet, fridge magnets, map magnets, and more! 【High Quality Material & Good Size】A pin is 0.63 x 0.79 x 0.63in, has a cone shape and is made of nickel-plated stainless steel;Easy to store in a small box. 【Satisfaction Customer】- If the items you received is defective, please inform us within 7 days upon receipt of item, we will replace another new one.