First time post on ur blog... wahaha.. lemme answer u...
1) dust.. vaccum the whole lounge chair? or use a brush? my yishun hse have the genie (steamer) u wan to borrow??
dirt/stain, i think can use a damp cloth, with a little soap to clean off.. then wipe again with clean damp cloth??
2) Art Friend shld have... i think i've seen before..