What to use to label my equip?

[scubadiver1302001]

i use pant on my dive stuff and i get it at a dive shop the pant works and will last for 1 to 2 years then you need to reapply it but if you use your stuff a lot then you will know that you need to see if it need to be remarked or not

 

[tremtech]

D.A.N the divers alert network has marker tags