A sanitary bag for receiving at least one part of the body, in particular the penis, is claimed, which sanitary bag is composed at least of a blank (2) with two portions (A, B) which each have the shape of a quadrilateral and are folded along a fold line (F1, F2), wherein the two portions (A and B) have the same length from the fold line (F1, F2) to their edge (4, 5, 6, 7) facing away from the fold line, characterized in that an absorbent insert (3) is arranged on the inside of the blank (2). The sanitary bag has the advantage that it is composed of simple geometric shapes and permits simple and cost-effective production, also with high-speed machines.