R.T.G Leather Recolouring System Topcoats come in 3 finishes - Dull, Satin or Gloss. They can also be mixed together to match the desired gloss level or dullness. A total of 2 coats is all thats required. R.T.G Topcoats will protect the colour coat leaving it with a silky soft feel. You can also add 5% R.T.G Cross linker to enhance the wear properties such as wet or dry rubs. Pot life after the cross linker has been added is approximately 4 hours.