- Fully Compatible with Motorbike Top Box Adapter System: Designed to fit 45-65L capacity square and streamlined motorbike top boxes. The upper and lower split back cushion secures tightly to the box with adjustable side buckles, providing stability for passengers even on bumpy rides. This design minimizes the risk of slipping and ensures a seamless fit. - Ergonomic Double-Layer Pressure-Relieving Support: Constructed with high-density memory foam and a breathable mesh surface, this cushion distributes pressure evenly, conforming to the natural curves of the passenger's waist and back. The thick lumbar support alleviates fatigue during long rides, while strategically placed breathable holes enhance airflow, preventing overheating. - Military-Grade Waterproof and Wear-Resistant Material: Made with high-strength TPU waterproof coated PU leather, this cushion withstands harsh weather conditions. It has passed rigorous weather resistance tests, showcasing UV aging resistance, low-temperature resilience, and tear resistance. Easy to clean—just wipe off dirt and grime, with no residue even after exposure to heavy rain or mud. - Adaptive Rebound Ergonomic Cushion: Features a built-in high-density polyurethane foam layer that quickly adapts to various passenger sizes. The honeycomb structure absorbs road vibrations, while the soft touch surface provides comfort and stability, effectively reducing the impact of hard surfaces. Use Scenarios: - Ideal for long-distance motorcycle trips where comfort and support are essential for passenger enjoyment. - Perfect for daily commutes, ensuring a secure and pleasant riding experience on a variety of road conditions. - Great for recreational rides, offering peace of mind with a stable seating position that enhances overall passenger experience.