A. What you'll get: A pack contains around 30 carpet markers in about 6 different colors, with approximately 5 markers of each color. All markers have a diameter of around 5 inches. B. Writable and easy to carry: The carpet markers come with a drawstring storage bag. You can put all 30 markers into the bag and take them anywhere relatively easily. It's convenient to draw letters or numbers on them with a marker pen or write with ink. C. Material: The markers are made of 100% industrial - strength nylon. The fabric of these floor markers can adhere well to most carpets without the use of adhesives. They generally won't damage the carpet when removed, are durable, and can be reused. D. Multiple uses: They can help teachers organize different teaching activities to educate preschool children, such as Twister, Hopscotch, color recognition, etc. E. Wide range of applications: They are suitable for parties, indoor/outdoor games, gym agility or circuit training, yoga positions, training exercises, classroom floor marking, etc. They can make your activities more exciting, lively, and interactive.