Leather Bag Guidi Calf Size MDESCRIPTION DEVOA 2018 Spring Summer Collection. This bag uses a 1. 1 1. 2 mm thick GUIDI calf waste reduced leather for a minimalist design. As for the stitching and processing of the main body, it was done one by one by the hands of craftsmen. The size of this bag is M size. As the shoulder strap is long, it is also possible to add a belt hole. * Additional images of this item can be viewed on our blog entry, DEVOA Boots Sandals Style