12 Pack Set Acoustic Absorption Panel, 12 X 12 X 0.4 Inches Grey Acoustic Soundproofing Insulation Panel Bevled Edge Tiles, Acoustic Treatment Used in Home & Offices, 9 Blocks Square Design

Size: 12'' X 12'' X 0.4'', light weight, grey color for decoration Flame Retardant, Odorless, Non-slip, Corrosion Resistant, Anti-aging.
Eco-Friendly - 100% Polyester Fiber, Lightweight & Impact Resistance.
Use to spot treat a professional or home recording studio, commercial or home office, rehearsal space, or home theatre. Easy to shape and cut to size, altering won’t affect performance.
Package includes: 12 Pack Set Acoustic Absorption Panel Beveled Edge (12'' X 12'' X 0.4'')
US based customer support, 30 days full satisfaction no question asked return period.