4 bow 31.6mm Square Tube Alumnium Bimini Top (Nylon fittings)600D Solution dyed fabric with PU coating ,Website:http://www.homfulmarine.com, 8.8oz.Zippered canopy much easier for user to install .Additional Lamphole Design can install lamp when night falls .Excellent mildewproof and Anti-UV damage , protect you from heavy Ultraviolet rays.Tensile strength(N):300LB/200LB ASTMD5034Two rear support poles make the bimini top stand more constant.Heavy duty stitching with double-folded and double stitching sewn and raw material hem.Heavy duty storage boot included .