... cap with built in embossed bottle opener washed, 1) Material:100% cotton 2) bottle opener on cap 100% cotton beer cap ... with built in embossed bottle opener,97% cotton,3%spandex washed,Composition: 98% cotton,2% spandexFeatures:1) ... Composition:98% cotton,2% spandex3) bottle opener on cap peak4) Available sizes:6+3/4,6+7/8,7,7+1 ... /8,7+1/4,7+3/8,7+1/2,7+5/8,7+3/4,8 inches.5) Minimum ...