... (1.5cm-7.5cm) 3.Useful area:noise reduction 4.Sample is free. The sound absorbing sheet is widely used in car ... , machinery, pet pads, mattress, cushions, funturers, insoles, etc .1.Function:sound absorbing2.Size:1mx2mx(1.5cm-7.5cm) is usual,Other ... . 5. self-adhesive and long-time keeped 6.Useful area:noise reduction7.Soundproof,heatproof,shockproof.8.Sample is free. Get more ...