YBW Marine Store do various cleaning products. Click on "Shopping" on top menu bar, select YBW Marine Store, and search on "canvas".
See "Sail and Canvas Cleaner" and "Impregnating Spray".
No connection with YBW MS, nor have I used either product, just trying to help.
NWEOI
There's a new Travel Inn at Medina Quay in Newport that does family rooms for about £42.95 a night. There's a family restaurant on the site. It's only about 10 minutes by cab to Cowes.
See http://www.travelinn.co.uk
I will shortly be retiring to the Isle of Wight and am considering buying a starter boat (I'll need an excuse to get out of the house, there's only so much daytime TV one can stand). Don't worry, I shall do my Day Skipper course first!
I have about £15k to spend, and I'm considering a '88 or...