teach dry erase circle: each package comes with 12 assorted color Dry Erase Circles, The diameter of dry erase is 118 inches/ 30 cm, allowing you have a writing space, convenient to those who have a handwritingPerfect for organization, decoration, or play. 12 different color dry erase circles: make walls popularity and catch students attention, suitable for classroom to explore math equations, practice writing sight words, drawing and etc ; also could stick them on wall to take notes at home or office, dry erase circles could be easy write and erase when match dry erase marker pen. Safety and : made from vinyl, these dry erase table circles have an adhesive backing which allows them to paste surfaces, the rip-resistant design ensures that they can withstand a lot of painting and drills in classmaking your teaching space more and with these and colorful dry erase vinyl circles. Easy to apply, remove and reposition: take off the back white paper, and then paste the dry erase sticker on any smooth place you want, and that can be removed and repositioned easily, without leaving a residue on walls or desks. Improve your learner' interest: place them on walls and see your preschoolers run to practice vertical drawing. Put them on small group desks and watch your unwilling writers motivated to draw the alphabet. What's more, you can also place them to the floor. Your wiggly kids are willing to write on the floor while they line up or lying on their bellies. Only applicable to whiteboard markers Colour: as shown Material: PVC Size: 30cm diameter Package Contents: 12 * different colors of blackboard stickers Only the above package content, other products are not included. Note: Light 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.