110 Pcs Set: The set contains 10 pcs automotive vacuum hose caps, with the inner diameter of 10mm, used to replace break or damaged ones. 2For 10mm Hose: The covers are suitable for all 10mm automotive intake vacuum flexible pipes, Bov pipes, vent pipes, oil collection pipes, intercooler pipes or other industrial applications. 3Silicone Material: These caps are made of premium silicone, which are flexible, easy to mount on and remove, hard wearing, can be used for a very long time. 4Good Sealing: Silicone vacuum caps have wonderful sealing performance, highly resistant to ozone, water, weather and extreme temperatures. 5Easy Installation: Precise manufacturing process, the caps are standard and accurate in size, will perfectly fit with the hose, easy to install.