Clearsonic AR2466x1 Scratch Resistant 24" Wide x 66" High Add-On Panel w/ HingeClearSonic Panels (CSP) provide acoustic separation between instruments on stage or in the studio. This helps reduce drum bleed into vocal or instrument mics and lowers stage volume so that everyone can hear themselves better. If your panels are going to take a beating and you need the most durable product available, we recommend using one of our AR (Abrasion Resistant) models. AR acrylic uses the 3M 906 abrasion resistant coating on both sides,