Product Details: Brand: ROCKBROS Color: Black/Black Red Weight: about 254g Size: 28*15.7*6cm Surface material: TPEE Bottom shell material: PA66 (Nylon 75% + Glass fiber 25%) Seat bow material: Chrome molybdenum steel Features: High-quality materials: ROCKBROS saddle is made of a variety of materials, the cushion is made of PTEE + Nylon + Glass fiber material, non-slip and lightweight. Strong & Toughness: The material of the seat bow is chrome molybdenum steel, which has strong support and good toughness and is durable and not easy to deform. Airflow: This saddle features a hollow island-inspired design that allows air to circulate for a more comfortable ride. Comfort: The streamlined design with a narrow front and wide tail makes your ride comfortable without dragging your legs. Breathable: The two sides of the saddle are hollowed out, which is stylish and beautiful while being more breathable.