Description: brand new and high quality. Feature: Made of high density acoustic foam, two-component design, safe, nontoxic and environmentally friendly for us to use. It is mainly composed of upper and lower two pieces. Helps to flutter echoes and reduce excess reflections and reverberation, the sound is more real, precise. Improves vocal clarity and acoustics of your room. for Ideal for use in recording studios, home theatres and karaoke room. Audio isolation foam pad is designed to isolate studio monitors acoustically, avoid disturbing resonances with the surface on which they stand, which results in a significantly improved sound. Shock-resistance Sponge Pad only, other accessories demo in the picture is not included Specifications: Item Type: Shock-resistance Sponge Pad Material: Sponge Size: 30x20x4.5cm/11.8x7.8x1.7in Color: Black Quantity: 1 Pc Note: Transition: 1cm=10mm=0.39inch Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 x Shock-resistance Sponge Pad