Features: Upgrade long distance comfort with this 45L Motorcycle Backrest Cushion featuring split upper lower silicone padding that supports lumbar relief and shock absorption for passenger during extended rides. Crafted from silicone and plastic, this breathable motorcycle trunk cushion offer moisture wicking properties and high rebounds support while securely fitting 45L aluminum alloy cases. Designed for motorcycle enthusiasts carrying passenger, this back pad prioritizes riders safety and comfort during highway tours, commutes, or weekends adventures. Ideal for absorbing vibrations on rough terrains, the thickened cushion enhances passenger stability during country trips or daily rides while complementing your motorcycle's sleek aesthetics. Combining ergonomic design with premium materials, this Motorcycle Top Box Accessory transforms standard luggage into a supportive passenger seatback, blending functionality with modern motorcycle styling. Specifications: Component: Silicone Applicable objects: for 45L Tail Box Package Includes: 1Set Motorcycle Passenger Backrest note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.