Valentino studded block heels

Brand new, never been worn. I have tried them on a few times in my apartment and they just don’t fit and I couldn’t return them. There are slight marks on the toe pad at the bottom as you see in the pics. Valentino Garavani calf leather city sandal. Signature platino Rockstud trim. 3.50 in / 90 mm block heel. Open toe. Caged T-strap vamp. Buckled vamp and ankle straps. Slingback strap. Leather outsole. Lining: Leather. Made in Italy