This USA ACU Thin Blue Flag Tactical Patch Cotton Adjustable Trucker Cap is great to show off your military patch. This would make a great gift. One size fits most. Hook and loop adjustable closure for perfect fit. Available in a variety of color choices. Made with Cotton (front), Polyester (back mesh) materials. 3 Hook and Loop panels for patches. Front: 2 inches height x 3 inches width, Back: 1 inch Height x 3 3/4 Inches Width, Top: 1 inch x 1 inch.