1.easy to assemble and take down. 2.are hot sell on the world. 3.good quality,competitive price. Item No.BN0147768Description :B/O DOG RAILUnit :PICSPackage :COLOR BOXProduct LWH :19 * 9.5 * 20.5 (CM)OuterBox LWH :61 X 43 X 74 (CM)Volume :0.195 CBM/6.855 CU.FTG.W. :21.5 (KG)N.W. :18.2 (KG)InnerBox :3Packing :72 Item No.BN0147767Description :B/O DUCK RAILUnit :PICSPackage :COLOR BOXProduct LWH :19 ...