Description: 5cm foam provides moderate sound control on walls or ceilings. This product provides strong noise reduction where moderate deadening is desired. Use to spot treat a professional or home recording studio, commercial or home office, rehearsal space, or home theatre. Square sound-absorbing sponge with beautiful appearance. Due to its square shape, it provides little diffusion, it makes you sound more dynamic. Easy to shape and to size, altering won't affect performance. Comes in many different styles that enhance the beautiful of each space and blend with its interior design. Specification: Material: Sponge Color: White, Blue, Purple, Black, Yellow, Red, Grey Size(LxWxH): About 30x30x5cm Quantity: 5pcs/pack Package includes: 5pcs x Acoustic Foam Panels Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.