Made of good quality PVC material, solid, durable and safe to use. Adding anti-ultraviolet, anti-aging ingredients, which is enduring for long life span. As the connection tube which can be used to connect the paddle blade and handle. Easy to install and use. Small size, lightweight and portable. Perfect accessory fits for yacht, inflatable boat, kayak, fishing boat, rubber dinghy, etc. Specification: Material: PVC Size: Approx. 38x38x78mm/1.49x1.49x3.07inch Hole: 32mm/1.25inch Package Includes: 5 Pieces Paddle Connection Tube Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.