Features: These valves caps provide a nice tight moisture and air seal for your for valves stems, seal dusts out of the for valves stem top, protects the for valves from damage, prevent tire from air leakage well, extend your for valves stem life.Esay to install: All tire dust cover have stripes around the top domes shape, easy to grab and tighten, more convenient.Screw on tightly: You can screw on all the way to the bottom of the for valves, no more worried if your tire caps would falloff like others, grip on your for valves stem firmly, good for a long and for toughs drive. These dust covers for wheels helps keep tires inflated at the proper level on bikes, for car, SUVs, trucks, and other motor vehicles. Multipurposed for valves caps can protect for valves from dirt, dust and corrosion. Convenient: Installation only need screws it onto tire for valves stem. Wide usage: for car, carts, trailers bikes,motorcycles electric bikes and a bicycles, also perfectly fit for motorcycle tire with Widely used in car repair shops and caps replacements for home vehicle tire. Specifications: Size:10x13mm Package Includes: 8pcs Tyre Valves Caps note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.