●Tyvek Paper which is tear-resistant & waterproof. ●Made in the USA ●🏃♀🏃♂[CUSTOM PRINTED IN FULL COLOR] For now you can design and customize your race numbers. Full color graphics are available. ●🏃♀🏃♂[SEQUENTIAL NUMBERS] We print sequential bib numbers on each bibs. You can also custom the Start Number. The bib size is 8"x6". ●🏃♀🏃♂[DURABLE TYVEK MATERIAL] Our race bibs are manufactured using ECO-Friendly Tyvek paper for the most demanding conditions, which is waterproof and tear-resistant for your event. ●🚴♀🚴♂[COME WITH 4 PINS] There are 4 safety pins included for each bib. Also features Rounded Corners and Four Puched Holes for free. ●🏇🏇[FAST DELIVERY] 3 days fast production ( Includes 1 day for graphic details confirmation ), and 2-4 days Express delivery via UPS.