Usage Tips:Classroom Organization - Students will sit or stand in sequence according to these spot markers, so that the classroom will not be confused and out of control, the activity will be active and organized, and teacher like to use them. Soft and Durable - Sit spots can be washed and reused. It can be well adhered to most carpets and can be safely vacuumed. The hook and loop design won't damage the rug after the spot sitting marker removed and the child can sit comfortably. Wide Use - The carpet markers are useful for spot sitting, sports and active games, such as cycling training, yoga standing, agility training, color , dancing, fitness practice games, obstacle courses, home twister, hopscotch, and more. Easy to Store - Each package comes with a storage bag for easy storage and carrying, and can be easily taken to school, gym or other places. A great gift for a teacher, these spot markers will assist with classroom management, identifying number activities, math games, and more. It is a good way to engage with students. Safety Sit Spots it is safe for kids, parents and teachers can use it with confidence. Securely attaches to the carpet with a hook and loop. Easy to remove and clean, can be used for a long time, very worth buying carpet markers. colour:Random Color Random colors cannot be selected Material:nylon size:Diameter: 10cm Package Contents: 36 * Sticker(with Numbers 1-36) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.