Extra Large Comfortable Bike Saddle: Comfortable saddle made of waterproof PU leather and high-density memory foam. High-density memory foam relieves pressure on the prostate, pubic bone, and sciatica. The outer layer is made of splash-proof PU leather, which is waterproof and prevents the inside from getting wet. Extra-large widened airfoil design: The extra-large widened airfoil is ergonomically designed to fit your hips, and the 33x28x5cm soft and comfortable bicycle seat cushion size makes you more comfortable during long rides. Ball Silicone Cushioning and Breathable Design: Hollow design makes the soft and comfortable bicycle seat cushion more breathable. Comfortable bicycle seat with ergonomic design. There are shock-proof steel arches and two shock-absorbing silicone balls at the bottom, which can effectively absorb shock. EASY TO INSTALL: Comfortable bike saddle perfect for city bikes, road bikes, mountain bikes. Easy to install and remove with just a wrench. (Wrench and bike tube not included UNIVERSAL DESIGN: This prostate comfort gel saddle is unisex and fits most bicycles, city bikes, mountain bikes, road bikes and more.