Birkenstock Unisex Black Grayish Tone Flip Flop Sandals M 7-7 1/2 / W 9-…

I only wore these one time! They have been cleaned and sanitized! See picture for what looks like an imperfection. I believe it's just the way the cork is made. Womens 9-9 1/2 / Mens 7-7 1/2 Experience comfort and style with Birkenstock unisex black sandals. Perfect for casual outings, these sandals offer a sleek design and durable construction. The BIRKENSTOCK Honolulu is a sporty thong sandal with embossed straps. Modeled on the cork sandal, this sandal is made from light, flexible, and waterproof EVA. EVA upper, waterproof, washable, ultra lightweight Anatomically shaped BIRKENSTOCK footbed made from EVA Traction outsole