Material:Twill edge:merrow broder backing:iron on size:9*11cmH Specification:Material: feltBacking: Iron onEdge: Heat cutEmb.area: 20%Size: according to the customer ... , velvet, nylon, toweling etc,Backing: sew on, PVC, iron on, stick on, Velcro backing,Edge: merrow border, heat cut, laser cut and cut edge etc ... special shape, the size = (max. width + max. length) / 2. Police embroidery iron on patch