The present invention provides an implantable graft that includes an elongate graft tube having opposing ends defining an attachment site for attaching the graft to a stent. The graft further includes a reinforcement member attached adjacent to at least one of the ends of the graft for establishing a reinforced attachment site for the graft, thereby preventing elongation of a suture hole in the material. Furthermore, the present invention provides a graft wherein at least one end of the graft is folded over itself and glued or sutured to itself and/or the stent, thereby forming a reinforcement thereto.