wholesale gastric PH Test Strip for urine saliva and vaginalph test strips 0-14 Visual Reading StepsStep 1 Remove a strip, taking care not to touch the reaction fields.Step 2 Immediately close the container again.Step 3 Dip the test strip 1-2 second into the fresh urine specimen.Step 4 Read the result after 40 seconds. Package information100 barrels/ carton (100 strips/ barrel)50*24*26 cm, 7 kg150 barrels/ carton (100 strips/ barrel)50*37*25 cm, 10.5 kg200 barrels/ carton (100 strips/ barrel)50*50*26 cm, 14 kg200 barrels/ carton (200 strips/ barrel)50*50*26 cm, 18 kgbarrel size same as 100ct's 100 barrels/ carton (150 strips/ barrel)55*28*27 cm, 11 kgwith foilbag inside the barrel 55*28*27 cm, 13 kg100 barrels/ carton (200 strips/ barrel)with foilbag inside the barrel 500 boxes/carton(100 strips per box)42*42*42 cm, 27.5 kgClick here for more information