TREND enterprises, Inc. Music Staff Paper Wipe-Off Chart, 17" x 22" Make your own music! Teach music symbols, notes, and more with this handy dry-erase chart. Handy size can be easily viewed from a distance. Useful in large rooms and with small groups. Extra Value: reproducible activities on chart back. Durable cardstock. 17" x 22". Stores easily in chart- or bulletin board-size File 'n Save Box.