This boat cover is made of premium 600D Oxford fabric with a 4-layer structure, anti-UV coating, and eco-PU waterproof layer – water pressure resistance over 2000 Pa; double-stitched reinforced seams prevent water seepage; protects from rain, snow, UV, and dirt year-round. Breathable air vents – promote air circulation, reduce condensation, prevent mildew and rot; also eliminate wind ballooning, keeping cover stable. Heavy-duty windproof straps – 11 tie-down straps with buckles secure cover tightly to trailer; adjustable straps lock firmly, prevent shifting, tearing, or blowing off. Elastic cord hem – creates snug, custom-like fit, stays taut and wrinkle-free; adapts to most centre console boat shapes. Complete kit – includes cover, 11 straps, storage bag, and instructions – everything you need out of the box.