teach dry erase : each package comes with 12 color Dry Erase Circles, The diameter of dry erase is 11.8 inches/ 30 cm, allowing you have a writing space, convenient to those who have a handwriting.Perfect for organization, decoration, or play. 12 different color dry erase circles: make walls popularity and catch students attention, suitable for classroom to equations, practice writing sight words, drawing and etc ; also could stick 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 high quality: made from high-quality vinyl, these dry erase table circles have an adhesive backing which allows to paste surfaces, the rip-resistant design ensures that they can withstand a lot of painting and drills in .making your teaching space more and with these and colorful dry erase vinyl circles. Easy to apply, remove and reposition: the back white paper, and then paste the dry erase sticker on any place you , and that can be removed and repositioned easily, without leaving a residue on walls or . your learner' interest: place on walls and see your preschoolers run to practice vertical drawing. Put on small group and watch your unwilling writers motivated to draw the alphabet. What's more, you can also place to the floor. Your wiggly kids are willing to write on the floor while they 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 are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.