10 מ' מגולגל דביק 3D לוח טפט עמיד למים קיר מדבקת קיר אריחים לבנים סלון טלוויזיה רקע מדבקות

The order came not in a roll, as in the photo, but folded in half lengthwise and with an accordion. This is a shock!! I thought it would be different if I unfolded it, but no!!! The photo has been hanging for almost a day, it is leveling off. I think that the material has moved away from the base on these bends and may not stick during gluing