Blot the stain with a clean cloth or paper towel to absorb as much of the spill as possible.
If the stain is in an area where the back of the fabric can be reached, like a zippered cushion, a towel should be placed on the back of the stained area to absorb excess moisture from cleaning.
Use a simple solution of 2 ounces of dish soap plus 2 ounces of bleached mixed with 1 gallon of water.
Wet a clean cloth in the cleaning solution, and gently rub the stained area, rinsing the cloth and the cleaning solution and repeating until the stain is gone. Rinse with clear water to remove any soapy residue.
Do not over rub, and never use a brush. Neither is necessary for thorough cleaning, and can damage the fabric.
For more stubborn stains, use 1 cup of bleach and 2 ounces of dish soap mixed in 1 gallon of water. If you are bleach sensitive, replace the bleach with white vinegar.
After cleaning with the stronger bleach solution, the areas should be blotted with water, so that the bleach does not discolor clothing.
Never use straight bleach.
Loose stains like dirt, should be vacuumed off and then cleaned as described above, if needed.
Do not use vacuum attachments with any brushes.
Air dry after cleaning.
Do not tumble dry and never expose the fabric to temperatures over 250°F.