Sound and shock absorption matis widely used at building industry, home furnishing, factory work shop, machine rooms, air compressor space, meeting room, multi-function hall, KTV room, office and car etc. The special 3plies of mat together will absorb or decrease the shock and sound gradually. Sound and shock absorption mat sizes are: 30m x 1.05m x 11mm 50m x 1.05m x 11mm Sound and shock absorption mateasy for installation:It can be put under the cement on the floor ,and can besticked on the wall or ceilling to reach sound and shock absorption function. Sound and shock absorption mat application: It's widely used at under floor of office space, meeting room, pumpt floow, machince working shops etc.