This valve lid is ideal for air beds, inflatable mattresses, and swimming rings, providing a secure fit. Whether you're inflating items at home or outdoors, this valve lid ensures reliable sealing and keeps your inflatables ready for use. Features - Color: Transparent - Material: PVC - Dimensions: 10.00 × 3.80 × 1.80 cm / 3.93 × 1.49 × 0.71 in - Valve plug dimensions: large bottom diameter 14.5 mm; middle diameter 17.3 mm; small cap diameter 12.4 mm - Stable valve structure: designed for secure fit with inflatable mattresses and pillows - Practical design: suitable for various inflatable accessories - Versatile use: ideal for home, travel, and outdoor applications - Durable construction: made of PVC for long-lasting performance - Secure sealing: ensures inflatable items remain airtight Package includes: 5 × valve covers