How can I clean my case? August 02, 2022 15:56 Updated We recommend using a damp cloth and no harsh chemicals. Mild soap and water should do the trick. Related articles My case has discolored and is yellow. Is this normal? Is there a charge for my warranty replacement? How can I register my item for the Case-Mate Warranty? How do I take off the LuMee case? Our Policy Comments 0 comments Article is closed for comments.