Features: The ergonomic spherical belly design with premium PU ensures stable rod support and all day comfort during extended fishing, ideal for anglers seeking durability and fatigue reduction. Featuring waterproof construction and easy installation, this fishing rod butt adapts seamlessly to various rod diameters while maintaining body friendly pressure distribution. Designed specifically for senior anglers and fishing enthusiasts, its anatomical shape effectively minimizes back and arm strain during prolonged casting and waiting periods. Optimized for both saltwater and freshwater environments, this versatile accessory securely anchors rods on shores, boat decks, or riverbanks with equal reliability. Engineered with reinforced PU and surfaces texture, the spherical fishing rod rest maintains consistent performances across rainy, humid, or sunny conditions for effortless portability. Specifications: Component: PU Size: L/M L: about. 20x4.3cm/7.87x1.69in M: about. 16x3.4cm/6.3x1.34in Color: Green/Blue/Black/Yellow Package Includes: 1pc Rod End Butt note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.