Chudeng 10 ml amberkleurige glazen headspace-flesjes met kunststof-aluminium flip-off doppen en rubberen stoppen, 100 pack, 20 mm platte bodem laboratoriumflacon (barnsteen)

used to be a great product but the last two orders have been poorer quality from the packaging to the poor quality caps which dont crimp properly. we used a manual and automatic crimper to try to seal them and lost around 30 lids per 100 on poor manufacturing qualityshame, we used to order quite often but no longer