Remove all bedding and covers from the mattress topper
Vacuum the topper on both sides using an upholstery attachment
Spot clean stains with a mild detergent mixed with water
Dab the stained area with a clean cloth, do not soak
Blot excess moisture with a dry towel
Use a small amount of white vinegar solution for odor removal if needed
Sprinkle baking soda over the surface to absorb odors
Let the baking soda sit for several hours
Vacuum off the baking soda completely
Air dry the topper flat in a well-ventilated area
Keep it away from direct sunlight and high heat
Flip the topper periodically while drying
Ensure the topper is completely dry before putting bedding back on
Use a mattress protector to keep it cleaner longer