VELCRO® Brand adhesive squares, a marker and scissors.
*(If you don't want a fold over top, then cut 4 pieces of the back)
Cut a bit of the table cloth to make the handle.
I used VELCRO® Brand adhesive squares for the enclosure.
The cotton backing adds the perfect insulation. And if you don't have one of these table cloths already, you can get them fairly cheap anywhere picnic items are sold.