The numbers are made of waterproof pater card which can last long. It's great to make your own scoreboards as your special needs or replace the fade numbers on your old scoreboards.
Please check the measurement information before purchase to make sure they fit:
Number Chart Size: Approx. 3-1/8" x 5-1/2" (8 x 14.2cm)
Hole Size: 3/16" (5mm) in diameter
Hole Pitch: 1-1/2" (4cm)
Ring Size: 1" (25mm) in diameter