All economy bibs are printed on weather-resistant Tyvek® with large digits. Bibs are round-cornered and have four small holes for participants to attach with safety pins (safety pins not included). Bibs are shrink wrapped in packs of 100. Sequences are: 1-100, 101-200, 201-300, 301-400, 401-500, 501-600, 601-700, 701-800, 801-900, 901-1000. The economy bibs – they are not customizable. For custom race numbers, please call 864.772-8441 option 2.