Fiend Skate Supply Says:

-Designed to enhance your onboard grip
-Prolong the lifetime of your favorite skate shoes
-Easy to cut with a utility knife, apply with superglue
-Dimension are 13in x 5in x 3/16 in
-Premium synthetic virgin rubber

These come in a Pair, which means you get 2 footbrake soles, 1 for a left shoe, and one for a right shoe.

These soles are meant to be trimmed down to fit your particular shoe-size.