Item Size Color Packaging Regular MEN8000 Small 20mm Blue Each MEN8000BX Small 20mm Blue Box of 100 MEN8200 Medium 28mm Red Each MEN8200BX Medium 28mm Red Box of 100 MEN8205 Intermediate 31mm Green Each MEN8205BX Intermediate 31mm Green Box of 100 MEN8400 Large 35mm Gold Each MEN8400BX LargeS 35mm Gold Box of 100