test tube made of PS(PP), high quality,reasonable price, with size:12*55,12*60,12*75,13*75,13*78,12*100,13*100,15*100,etc.

test tube

made of PS(PP), high quality,reasonable price, with size:12*55,12*60,12*75,13*75,13*78,12*100,13*100,15*100,etc.

test tube