Material: ABS plastic.Size:Diameter 1.7cm/0.67".
A great way to put your number on your clothes without putting any holes in them.
Eliminate the danger of getting hurt by the sharp pin spear.Snap & Lock design is the safest alternative.
With the number buckle, you attach your number bib quickly, easily and accurately on your Sportswear.
Ideal for many sports, such as running, dancing, skiing, skating, athletics, when you need to place the race number.