The carpet marker is made of nylon material, which can be used repeatedly. It will firmly attach on most carpeting without using adhesives, removing the marking sitting marker won't damage the carpet. Good for classroom, gym and more place. Features -Color:Random Color -Material:Nylon -Size:10.00X10.00X0.20cm/3.93X3.93X0.08in -Practical carpet positioning stickers can not only help to position but also serve as carpet decoration. -It can easily attract children's attention and provide designated seating places for children. -Suitable for indoor and outdoor activities and circle games, quickly identify queuing, standing and seating locations. -You can also use these carpet markers in exercises, yoga, parties and competitions. -Good nylon materials make it have a good texture, comfortable and durable.Package list: 50 x carpet markers