Smooth and clear erasable slate felt with fiber tips, smooth and fast writing, without breaking on blackboards or glass. Water based, quick drying, uniform color, wear-resistant, and not easily deformed whiteboard marking: The black marking adopts a unique ink formula, which is non-toxic, low odor, and safe. Quickly dry after writing, without ink leakage or paper marksEasy to erase: chalk felt with magnetic sponge, easy to store on a whiteboard. There is a small eraser on the lid, which is easy to clean and carry, and effectively removes writing marks. The circular design makes the pen easier to hold and write.Magnetic pen cap design: 10 pieces of erasable felt. Each labeled cover has an erasable magnetic dry cover. Directly connected to the whiteboard, refrigerator, and any metal surface without slipping or falling, easy and fast operationWidely used: Our erasable whiteboard felt is suitable for teachers and students, parents and children, while other erasable stones can be used for smooth surfaces such as whiteboards, ceramics, plastics, glass, etc.