Wipe warmer

Wipe warmer bought from Walmart. Used for 3 days. Includes moisture holder and plug in. It does not clasp correctly. Shown in pictures. I bought it like this and didn’t realize until after I had thrown away box and could not find receipt . When I used it, I put a couple of diapers on top to hold it closed. When something is sitting on top of it it works properly. Holds moisture and warmth. No other flaw. I have seem to fix the clasp, but not for sure when running