1、Good quality bicycle valve adaptor: apart from 2 hard plastic valves, valve adapter set, made of high-quality pure copper, the stable hold of the adapter guarantees tightness, bicycle valve set is made of solid, it is extremely corrosion-resistant and durable, does not change colour after a long time use. 2、Covers different bicycle valve: Different specifications valve adapter set can meet different inflatable equipment. Suitable for Dunlop valve (DV), Presta valve, Flash valve (BV), Presta valve (SV), Presta valve on => Schrader/car valve (AV), Schrader on Dunlop, Sclaverand on Dunlop. 3、Ultra light and easy to carry: valve adapter takes very little space and is very comfortable to carry. You do not feel the weight when you ride, and it will add no extra weight to your luggage. A little mouth to solve any inflatable problems. 4、Universal: Bicycle valve adapter kits fit all standard valve types. It is suitable for mountain bikes, road bikes and stationary bicycles with Presta valve guides. It is also very suitable for inflatable toys, inflatable mattresses, fitness balls, balloons, yoga balls and swimming rings. 5、Package included: 6x DV/SV valve adapter, 2x AV valve adapter, 2x SV valve adapter, 2x ball pump needle, 1x conical inflatable nozzle, 2x black cone adapters, 10x sealing band. The adapters fit all standard air pumps, so that they can inflate different valves with a pump. Practical especially for when you're on the go. Anyone who likes to ride a bike could have it by now. They are made from very good material. Clean cut thread without burrs or dirt. The adapters fulfil their purpose and are an excellent solution when different bicycle valves are present in a household. Specification: Color: Black/Gold Material: copper + plastic 25 pcs/set Bicycle Valve Adapte