3 weeks ago we lettered a 2021 Transit van with printed graphics and lettering on white Mojave/Nekoosa brand vinyl. We usually use Oracal vinyl, but was unable to get the product in the time frame our client wanted his truck lettered. Worked all weekend to make sure the customer had his truck to roll on Monday. Two weeks later he came back with the graphics "falling" off his vehicle. Does anyone have any comment on this product? Unfortunately, this leaves a negative impression on us, although we have been in business over 30 years. I have never seen this happen before. HELP!!