Foamology Foam Design Rigid 12x18x.5 2pc, Multicolour

I should have gotten stretched canvas over wood which I searched for for months on Amazon and couldn't find them until I wasted my money on this garbage. I got command strips to put these on my walls, which di not adhere at all to the foam boards and also damaged my walls, I'm not thrilled with these and I am furious. Will have to get frames for them. They damaged my paint on my wall too. The only way I could get these on my walls today was to remove some of the backing that covers the sticky side. I thought there would be some way to hang these that the makers of this product had that covered before I got them but they didn't. It feels like a pillow almost