Apron BOOMERANG Yamaha X MAX 300 2017 & 125/400 2018. The BOOMERANG leg cover are made in weaved coated polyester. Features Patented Product Magnetic trap door for easy access and with only one hand to the ignition key. (trap door is needed due to the ignition key location) Auto reflecting pipings for security Padded fleece lining inside Adjustment strap to maximize the protection of the rider A multifunctional pocket within reach of the rider’s hand Adjustable seat cover according to the length of the seat Easy and quick to install