DURABLE MATERIAL - Made of durable 600D marine grade polyester with a premium water repellent base coat. Fits most 25-50 HP outboard motors, cover dimensions: 22.8"L x 16"W x 18"H. Note: This cover is a universal type, please don't just refer to the horsepower of your motor, please measure the motor size carefully before purchasingULTIMATE WATERPROOF - Great for outdoor storage, mooring in the off season. Premium double stitching, all seam sealing tape for added durability. Full coverage protects your engine from rain, wind, snow, fog, dust and scratches.MULTIPLE LOCKING SYSTEM - Heavy duty bungee cords adjust the fit. The snap-on shoulder straps keep the lid securely in place, especially in bad weather.Upgraded Design - Quick release buckle straps on the front for easy installation and removal. Vents on the back increase ventilation in long-term storage situations, reducing internal condensation and wind blowing. Provides year-round protection and extended life for your motor.NOTE: Each motor band has a different horsepower size, please measure all sides of the engine to select the proper size.