Pair of valve covers to suit bicycle presta valves. Not suitable for car type Schrader valves. Made from Polyurethane, which is ultra tough yet flexible. They are a push fit rather than threaded, and can be fitted and removed in seconds. Very secure. Designed to cover 30mm of exposed valve above the nut. If you required longer, message me beforehand and I can make longer ones. Sold as a pair.
eBay