Product Specs:

Color: Black + Blue
Material: Sponge
Shape: Wedge
Quantity: 12 Pcs
Size: 12 Inches x 12 Inches x 1 Inch
Sound-Absorbing Foam, fire retardant, good air permeability.
Acoustic foam cell structure for maximum noise absorption.
Helps to flutter echoes and reduce excess reflections and reverberation.
Improves vocal clarity and acoustics of your room.