1、Accurate Test: Measure your vagina pH levels with high sensitivity detection core for reliable and accurate results. 2、Safe and Breathable: The PH test pad with an integrated core strip and a breathable cotton surfaces ensures safety breathability and instantaneous absorption for a comfortable experience. 3、Risks Reminder: Once stained on the pads a blue color (blue green/blue gray/blue purple etc. ) suggests that you may be at harmful risk of intimate areas. 4、Individually Packaged: Each PH Test Pad is individually packaged to provide convenience portability and hygiene to reduce secondary pollution light risk. 5、Long Shelf Life: With a 3 year shelf life these pH testing pads can be stored and used whenever you need them for peace of mind.