For anyone who doesn't know about sisal and needs to see the effects, go to the Crucial Trading website and you can order some samples.
They come in about 2 inch squares.
When they arrive, place sample on a piece of white card and draw around the sample.
Now dunk the sample in some water.
Place sample back onto the outline.
Wait 20 minutes (or less) and see the damage.
Now in your mind multiply that damage to a 24ft x 12 ft lounge and imagine what that will ,look like.
And this is why we all run away