Warning Water of ok tape / Ambulance Products

1. First of all,open the OK tape and aligned wound, Stretch the bandage and then cut it off.
2.For convenience to dress a wound by yourself,you just need to use this ok tape by one hand.
In order to avoid wound touch water ,Waterproof material is outer layer of OK tape .
To remind the user whose wound touch water and avoid touching water again ,
Inter layer of OK tape, the test paper turns red in the presence of water.
When we get hurt, try to avoid wound touching the water.
However we have to take a bath everday,so we think of this idea.
Warning Water of ok tape is easy for everyone to use and it has to
use by one hand.