How to reuse k-kups

Peel off foil lid, rinse out contents, use now or let dry

Add your dry beverage

Cut a 3 inch square of plastic wrap

Cover filled cup

Put rubber band around and pull plastic below band to make taunt across the top

Note position of previous piercing hole

Other frugal options are Eco brew or order My-kap.com lids.

A closer look at the my-kap.