FADE AND TEAR RESISTANT CANVAS : We use extremely durable marine-grade 600D Solution-dyed Polyester canvas. Thicker material and double-stitched craft ensure bimini tops for boats can work for a long time. Compared with other similar products, in addition to basic waterproofing and UV protection. The most important thing is that it will not fade and tear in the case of long-term high temperature and rain soaking. Maximum protection from harmful sunlight, rain, dirt, pollutants, etc. EASY-TO-INSTALL ZIPPER DESIGN :Zippered pockets allow for quick installation and removal of bimini top canvas; No need to disassemble the bimini frame, saving your time. Heavy-duty zippers are reinforced for durability. UNIVERSAL REPLACEMENT COVER :Marine bimini top have wide room for both round tube and square tube, fits bimini top frame of all shapes up to 1. Universal size compatible and use as replacement fabric for the same size pontoon boat, jon boat, fishing boat Bimini tops. WITHOUT FRAME: Bimini Top covers only have replacement covers, no frame. The complimentary storage bag of the same color can be conveniently stored when not in use.