Chinaboy

IKEA was coming to Bangkok. or try some other resource, such as eBay

Mix 3/4 cup household bleach and 1 tablespoon powdered or liquid laundry detergent with 1 gallon warm water. (Test the solution on a hidden area to be sure plastic will not discolor.) Wear rubber gloves, and wash chairs with a soft-bristled brush or sponge. Work on one small area at a time. Allow the mixture to remain on the chair for five to 15 minutes, then rinse well.