Hershey® & Nestle® now use a single piece, heat-sealed mylar wrapper as shown below:

This will give a slightly different look to the finished bars. Whirlibird recommends taping back the loose edges before applying your wrappers, which will give you a nice finished effect.

Whirlibird also offers silver and gold foils papers which will allow you to recreate the look of the old packaging. Foils are .10 each and you will can order the number and color you need right on the wrapper order page.