Front of a square corporal case, made of red silk in a satin weave, embroidered in silver-gilt thread, blue, green and yellow silks, and glued to a backing of white linen in a plain weave. The embroidery is executed to fit the square shape, with two lines of couched thread outlining the outer edge and creating a border in which are embroidered S-shaped scrolls in green and yellow; in the box in the centre (similarly outlined) is the Sacred Monogram IHS (above the cross-bar of the H is a cross on a mound); around this box is a symmetrical pattern of stylised flowers/vases (fleur de lys at the corners?).Couching, long and short stitch and satin stitch are used; some of the silver-gilt threads are laid over a padding of some description which gives the motif a raised effect.
The edges are raw and fraying slightly, suggesting the piece was from its original object; on the lower left edge remains a small fragment of the silver gilt braid that originally surrounded the outermost edge of the case. There are spots of wax on the surface of the silk.