Pitch Perfect is an exciting music room teaching tool that pairs Solfège syllables with specific hand shapes to visually represent notes in a musical scale. Students can use these visual aids to improve sight-singing, sense of ear training, and an understanding of relationship of notes and the distance between them. Size 5'4" x 7'8" Rug is certified Green Label Plus for the highest standard in indoor air quality Manufactured with premium WearOn® Nylon for lasting beauty and durability in high-traffic areas Class I Flammability Rating Lifetime limited wear and texture retention warranty Lifetime antistatic protection