1) Item no: GV-A115 2) size: 17# 3) PVC thinkness: 0.24mm 4) Sponge density: 22 KG/M3 5) Sponge thickness: Cover: 1.7cm, Seat: 2.7 cm 6) packing: Paper+PVC bag heat shrink 7) CTN size: 43 X 37 X 78 CM 12PCS/CTN 8) Remark: 3-4 style design 1X20"=2760 PCS 1X40"=5600 PCS 1X40HQ=6600PCS