This set of 2 spiral air plugs is designed for easy one-way inflation, ensuring your boat or raft stays properly inflated for a smooth and safe ride. Made of durable materials, these screw-in valves are a perfect replacement for worn-out, lost or damaged valves on your inflatable boat. Simply unscrew the old valve and screw in the new one for an airtight seal. With their compact size (approximately 1-2 inches or 2.5-5 cm), these valves are easy to install and maintain. Don't let a faulty valve ruin your next boating adventure - keep these Inflatable Boat Air Valves on hand for a quick and reliable fix. Prioritize safety and performance on the water with this essential inflatable boat accessory.