Features: *Brand new and high quality. *Sound-absorbing sponge is on the basis of sponge for further processing, acoustic inside the sponge and reflection of the increase in the number so as to achieve the noise, sound-absorbing effect. *Soft sponge, no dust, high density. *Excellent Elasticity. Non-toxic.Powerful sound absorption. *Designed for durability and easy installation. *Square sound-absorbing sponge with beautiful appearance and good acoustic characteristics. *Used to absorb medium to high range frequencies and diminish echoes. Overall Noise Reduction Coefficien. *Good for studios, recording studios, vocal booths, control rooms. Specifications: Size: about 25*25*5cm/10*10*2inch Material: Polyurethane sponge Type: Acoustic Foam Colour: Black,Red,Grey,Blue,Purple,Yellow(As shown) Quantity:12pcs Package list: 12 x Soundproof Foam Note: Please allow 1-5mm error. Due to the difference between different monitors,the picture may not reflect the actual color of the item. Thank you! The product is deformed due to logistics extrusion. Don't worry, it can be restored to its original shape after being placed for a period of time, and it can be quickly restored by immersing in water. 12Pc Acoustic Foam Panels Soundproofing Insulation Studio Sound Absorbtion Panel Materials: Made of high quality materials, robust and durable, safe and convenient to use. Size: matched to the corresponding model to match your working tool needs, check if it is the size you need before you buy. Function: This is a good companion you need on your tools, giving you a more convenient working life, in case you are busy indoors and outdoors Satisfaction guarantee: Your purchase is fully protected when you order today. If you are not satisfied with with our products, contact us any time, We will get you back within 24 hours try our best to make things right.