Marinco 10079 12V H Style Drop in Horn with White Black Grille Tank Tops Chest Size Range: @@ SM: GB00642 Brown 080M Chest Size Range: @@ SM: 32" to 36" (81cm to 91cm) @@ MD: 36" to 40" (91cm to 102cm) @@ LG: 40" to 44" (102cm to 112cm) @@ XL: 44" to 48" (112cm to 122cm) @@ 2XL: 48" to 52" (122cm to 132cm) blind stitched and fully taped seams keep the water from seeping through the material 12V H Style Drop In Horn with White Black Grille by Marinco Marinco is the leading supplier of horns to the marine industry with over fifty years of experience in designing and manufacturing sound devices specifically for use in harsh marine environments