Features: 100% brand new and high quality Used as pipe plugs, to plug skimmers, returns and cleaner lines to prevent water from entering the pipes during winter. Use the freeze plugs to protect your pool against the harsh winter season. A simple solution which prevents your pool from running into serious damage. Made of high‑quality rubber, it has maximum expandability and can make sure a tight sealing, corrosion resistant. As pressure testing pool lines or other methods of detection, or stopping water from the pool when equipment repairs are made. Compact size, easy to carry. Description: Material:Rubber Color:As picture shown Size:As picture shown Package includes：1 X Expansion Plugs Notes: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!