Aluminum Fitting? Aluminum Square Tube Bimini TopBright anodizing,Website:http://www.bestbiminitop.com, aluminium? 6063 square tube 1" dia,1.1mm wall Heavy? duty polyester, precision cut double stitched canvasAluminum AccessoriesAdjustable? nylon webbing strapsStrong rear support polesFold and store? in storage boot when traileringWaterproof,? Dustproof and Anti-UV ResistanceDescriptionOur extensive selection of? bimini tops are easy-to-use sun protection solutions, designed to suit boats of? all kinds and made from only the highest-quality materials, our biminis are? sure to keep you and your boat covered for years to come.