Remove the Stains with Baking Soda

• 1). Pour baking soda into a bowl liberally. A half cup to a full cup of baking soda should be plenty.
  
  
• 2). Pour water into the bowl slowly and stir it into the baking soda to make a thick paste.
  
  
• 3). Use a scouring pad to scoop out the baking soda paste and scrub the stain.
  
  
• 4). Rinse the plastic with water to remove the paste.
  
  
• 5). Repeat the process as needed until the stain is gone.
  
  

Remove the Stain with Lemon Juice

• 1). Slice a lemon in half and squeeze the juice into a bowl.
  
  
• 2). Dip a cloth into the lemon juice to soak it.
  
  
• 3). Scrub the lemon juice into the stain to remove it.
  
  
• 4). Rinse the area with water.
  
  
• 5). Scrub the area with the lemon juice again if the stain persists and set it outside in the sunshine for at least an hour.
  
  
• 6). Rinse the area and repeat the process as needed until the stain is gone.