With the use of a grommet punch (not included) you can use these grommets to place additional grommets on a canopy or tarp, or to replace a grommet that has torn out. Each grommet consists of 2 pieces, so this 100 piece package contains 50 grommets.* 50 Grommets in the bag, each consisting of 2 pieces, so 100 pieces in the bag-1/2 inch size * The grommets are brass plated, so they are a lovely golden color * You can use these grommets on canvas tarps or canopies, where additional strength is needed * If your tarp has only corner grommets, you can add some more on the sides * Great for replacing torn grommets- use a grommet punch to install (not included)