Shop › Thin Blue Line Wavey Flag Image 1 of 3 Image 2 of 3 Image 3 of 3 Thin Blue Line Wavey Flag $350.00 19.5” x 36” hand-carved wavey wood flag. Ready to mount. Thin Blue Line police support flag Add To Cart Added! 19.5” x 36” hand-carved wavey wood flag. Ready to mount. Thin Blue Line police support flag