EUC ZUGUCASE Prodigy X for iPad Pro 12.9 1/2 - listing as EUC, box not sealed

Pre-owned in excellent condition. I am listing as EUC because the package was opened and I am not sure if the item was used. I don't feel it's right to list as new. Please review photos for condition details. EUC ZUGUCASE Prodigy X for iPad Pro 12.9 1/2 - listing as EUC, box not sealed