Basic economy tyvek race bib competitor numbers - set of 100, - tyvek tear proof and water proof - hole in each corner 8.0" x 3.5". Numerals are 2 1/2" high. Tyvek race bib competitor numbers - set of 100 8.0 inches by 3.5 inches, hole in each corner printed on white tyvek: tear proof and water proof paper 2.5" digits