I'm selling an audio-technica deadening set. This set should be sufficient if you're only working around the speakers. This is definitely recommended if you're considering buying those cheap deadening materials that you often see. Vibration Controller (Damping) Dimensions: 500 x 250mm, Thickness 2.3mm Weight: Approx. 480g (per sheet) Soundproofing Blue Fining Wave, 2 sheets Material: NBR Dimensions: 590 x 25mm, Thickness 25mm Weight: Approx. 24g (per piece) Soundproofing Sound Proofing Wave Material: NBR Dimensions: 590 x 25mm, Thickness 5mm Weight: Approx. 7g (per piece) As a bonus, I'll include the scraps from image 2♫ I will fold them for shipping.