Geyer's static cling charts are the perfect addition to any classroom. Special dry erase film "clings" to nonporous surfaces -- great for whiteboards! No adhesive, no residue! It is easy to reposition and it is reusable. Perfect for demonstrations. Use dry-erase markers to easily write on and wipe off. The charts include a class schedule, weekly schedule, monthly calendar, multiplication, addition/subtraction, and more!