The Vevor bimini top boat cover is made from heavy-duty 600D marine-grade polyester canvas and includes detachable mesh sidewalls for added shade, ventilation, and weather protection. Its 1" aluminum alloy frame is lightweight, rust-resistant, and built for dependable support on the water. The top includes 2 support poles, 2 straps, and a storage boot for convenient installation and storage. Designed for boats with a 67"-72" installation width, it provides UV50+ protection and waterproof performance for all-weather use.