Made from PP material, these coned marine dock post caps provide a solid structure for and protection against harsh marine conditions. Measurement method involves using a string to measure the circumference of the pile, ensuring accurate sizing for the coned caps. Designed to safeguard your piles from chipping, weathering, and damage, preventing internal rot and maintaining the integrity of your dock. The cover is flexible and can accommodate deformed piles without stretching, ensuring a secure fit. These marine dock piling caps are essential for extending the lifespan of your dock. They prevent birds from perching and protect against the elements, ensuring your dock remains in excellent condition. The package includes multiple caps, allowing for comprehensive protection of your dock piles. Color: Black Material: PP Package Contents: 4Pcs Marine Dock Piling Cap Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.