If you are anything like me, you think about decorating for a smaller holiday about four hours before it happens. That said, I'm here to help, cause that's pretty much how I roll.
All you will need is a paper sack, blue and red paint and a white pen. I used a Posca Paint Pen, but you can use any white gelly-roll type pen.
Lay your paper sack flat with the print facing down. Cut up the middle of the back side and then cut away the sides of the bag. You will be left with two strips of paper. Paint one of these blue, one of these red. I used Liquitex Acrylic paint. You can use tempra paint, but you might need a second layer.
After the paint dries, cut out 2 1/2 x 2 1/2 inch squares.
Take your square and gently fold it in half. Don't press it flat or make a crease. Match up the corners and cut from the bottom corner toward the fold.
Now you have a little cutie-pie flag and can use a hole punch to put twine through it and then draw little white stars on it. I would do the hole punch before the stars. When I did the stars first, I inevitably punched a hole through a star.
Now take some twine and wrap it around a mason jar. Bring the two ends through your hole and tie a bow. This will hold the flag in place. Throw some silverware in a jar and you have legitimate Fourth of July decor.
If you don't want to do the whole putting-twine-through-a-hole-punch-around-a-mason-jar schtick because you have started decorating about an hour before your BBQ, just pin it to some twine and put the twin around a basket OR just scatter your little flags on the table. See? Easy. Done.
Now go have a burger and enjoy the fireworks!!