Features: Premium Material: This surfboard air vent is made of premium PVC material, which is aging resistance, long service life. High Quality: Excellent workmanship guarantees excellent performance of products.This product can withstand the impact of seawater. Surfboard Maintenance Parts: This item is surfboard essential maintenance parts. Easy to Install: The exhaust valve is easy to install and disassemble and simple to use. Waterproof: The surf board vent allows the vent to works by allowing air and other gases to pass through the membrane freely but stops liquids from entering the enclosure. Specifications: Product Category: Surfboard Material: PVC Applicable People: General Colors: White, black Specifications: M12X1.5-6.5MM includes: 1 *Vent hole