well done again thank you where I get mine from told me if you leave the needle in and cover it you can use for up to a week or so from when its opened
here it is again for others who may also be looking for some they do others as well as these http://www.ebay.co.uk/itm/170985825021?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649