This product does not go on the skin...read on
Package contains: 2 Regular ovals and 4 large ovals
ENGO comes in oval patches sheets to fit the most common equipment hot spots. In footwear, it goes under the toes, ball and heel. Can also be used on poles and paddles.
It goes on equipment not your skin so it lasts longer
Its latex-free adhesive is strong to prevent the migration you get with most other blister products
It tells you when its performance-enhancing power needs to be replaced the blue wears through to white
Simply peel ENGO from its backing and apply adhesive side to footwear or equipment 
