Availability size: above2.5mm * below1.2m * below50m Colour: black, grey, blue, green, red etc. Sponge Rubber Sheet1.Availability size: 2-30mm* 1.0m ... * 1-20m 2.Colour: black, grey, blue, green, red ... also used for sealing,sound insulation,dustproof and so on. sponge rubber