our production is a new kind of tyre pump developed by professional for many years.the specification of the production is 25cm*28mm.and the used material is pvc-steel.the outside tube is yellow and the inside one is white.there is an added plastic package out of the production.our production is of attractive design,stable structure.and it is convenient and durable,economical and healthy.what"s more it can be used for the bicycle,electric bicycle,motorcycle and so on.the biggest air pressure of the production can be 4or6 standard atmospheric pressure.of course it can be very suitable for the orders,women and children.