supply of thermal bonded polyester block cushionthermal bonded polyester block cushion,densified thermal bonded polyester block cushion (dtbpb) for lgs,gs coaches four seater (long seat) of size 40 x 562 x 1897 mm to item no: 2 of icf drawing no: icf/sk 3-6-1-098. material specification to rdso spec. no.ck- 607, rev.2 of dec.2015 [ warranty period: 30 months after the date of delivery ] , densified thermal bonded polyester block cushion (dtbpb) for lgs,gs coaches four seater back rest (long back rest) of size 25 x 562 x 1912 mm to item no: 3 of icf drawing no: icf/sk 3-6-1-098. material specification to rdso spec. no.ck- 607, rev.2 of dec.2015 [ warranty period: 30 months after the date of delivery ]