Features: 1. 23.3mm diameter, suitable for inflatable items from the 2. Applicable for inflatable boats, air mattress, fishing boat, canoe, inflatable boat, etc. 3. One-way inflation valve, easy to install and inflate quickly. 4. Designed with a cap and thread for anti-leak inflation. Features: 1. 23.3mm diameter, suitable for inflatable items of 2. Applicable for inflatable boats, air mattress, fishing boat, canoe, inflatable boat, etc. 3. One-way inflation valve, easy to install and inflate quickly. 4. Designed with a cap and thread for anti-leak inflation. 5. Made of quality material, having good performance and long service life. Features: Material: plastic The color black Diameter: 23.3mm / 0.92in Weight: about 19 g Package list: 1 x air valve 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. Sold by-Minnanxin