Features: Two-component construction made of high-density acoustic foam Mainly consists of two upper and lower parts Helps flutter echoes and reduce excess reflections and reverberation Improves voice clarity and acoustics of your room Ideal for use in recording studios, home theater and karaoke room Reduce speaker voice quivered resonates, the sound is more real, precise, is a good choice Insulation foam pads are designed so to isolate the monitors acoustically, avoid interfering resonances with the surface they stand on, resulting in much better sound Specifications: Material: Sponge Color: Black Size: 30cm x 20cm x 4.5cm (L ×W ×H) Quantity: 2 Pcs/1 Set Note: 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 contents: 2 pcs. x Speaker Sealing Sponge