Instructables
How to turn a potato chip bag into a pencil case.

It works for any kind of waterproof wrapper - I've even made this as a wristlet pouch with dollar bills instead of packaging.

Sorry for the lazy re-post (this site is brutal on dial-up!) - it was originally on Flickr, linked to Craftster (http://www.craftster.org/forum/index.php?topic=163488.0), but someone requested that I post it here.
 
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Step 1: Step 1

Picture of Step 1
Materials:

- chip bag
- zipper
- 2 pieces of fabric for lining
- 2 pieces of vinyl

Step 2: Step 2

Picture of Step 2
Place zipper, right-side up, on lining, right-side up. Line up the top edges.

Step 3: Step 3

Picture of Step 3
Place vinyl on top, lining up top edges.

Step 4: Step 4

Picture of Step 4
Place chip bag on top, wrong-side up. Line up the top edges.

Step 5: Step 5

Picture of Step 5
Use the zipper foot. Sew through all layers at the top edge.

Step 6: Step 6

Picture of Step 6
Flip the vinyl and chip bag to the front, and the lining to the back. Finger press.

Step 7: Step 7

Picture of Step 7
Top-stitch the zipper.

Step 8: Step 8

Picture of Step 8
Place sewn piece on other piece of lining fabric, right-side up (the lining is right-side up).

Step 9: Step 9

Picture of Step 9
Place vinyl on top. Line up all top edges.

Step 10: Step 10

Picture of Step 10
Place chip bag on top, wrong-side up. Line up top edges.

Step 11: Step 11

Picture of Step 11
Sew through all layers of the top edge.

Step 12: Step 12

Picture of Step 12
Open up the piece so that the zipper is exposed on both sides. Top-stitch near the zipper.

Step 13: Step 13

Picture of Step 13
Open the zipper, and place a scrap piece of paper on the vinyl. The paper keeps the vinyl from sticking together.

Step 14: Step 14

Picture of Step 14
Open up the piece so that the vinyl/chip bag sides are touching and lined up, and the fabric lining sides are touching and lined up.

Step 15: Step 15

Picture of Step 15
Use the regular presser foot. Sew around, leaving an opening (sewing path is highlighted). Trim excess fabric and vinyl/chip bag.

Step 16: Step 16

Picture of Step 16
Turn inside out, discard scrap paper, and sew up hole in lining.

Step 17: Step 17

Picture of Step 17
See photo.
donaoh3 years ago
Hello, i love this project, i was wondering if the vinyl you use is the sticky stuff used to cover books, like giant sellotape, or is it regular unsticky vinyl? We have both types here in Ireland and im not sure which would be best. Thanks!!!
ax174 (author)  donaoh2 years ago
Eek, sorry, I didn't see this question until now. I used the regular unsticky vinyl. Hope that helps.
momtes3 years ago
This is a super-cute idea!! It's spring break and I'm having a "stay-cation." I think I might try to make some of these!!
CharlieWebb3 years ago
Hello,
Thanks so much for posting the instructions for the pencil case. My mum helped me create a ‘Salt & Vinegar’ pencil case and I absolutely love it! Before the school year started I placed it in my school bag, and tricked myself more than 3 times thinking that someone had put a packet of chips in my bag.

I love creating wacky/unique pencil cases and last year I cut my denim shorts, sewed them and had that as my pencil case. I think I like the chip bag more because it is really different, and my friends have never seen something so cool before.

Thanks again for posting the instructions. Love Charlie :) xx

PS: Now all my friends at school want one as well :)
Joy1223 years ago
Great idea!! Now i know where to put all my pencils =)
Great idea !
pandyaketan3 years ago
Five Stars for making best from waste! God Bless.

reg
ketan
--------------------------------------------------------
"May the good belong to all the people in the world.
May the rulers go by the path of justice.
May the best of men and their source always prove to be a blessing.
May all the world rejoice in happiness.
May rain come in time and plentifulness be on Earth.
May this world be free from suffering and the noble ones be free from fears"
---- Vedic blessing
HazardRush3 years ago
Cool project! Does it make a lot of noise? I would add an inch or so of material on the side opposite the zipper and use a three ring hole punch to punch two holes, and put it in a binder.
TinkyTonk4 years ago
material of course get it at your leading craft stores
 Ah, I love it! :) 
And~ I was wondering, though, what exactly is vinyl? 
joanghulsey5 years ago
What kind of vinyl is used? Where do I get it?
Justin Lam5 years ago
i am so gonna make this when i get the time and materials! gives me an excuse to buy some junk food! :D how much can one of these chip pencil cases hold? and durability?
guavatree6 years ago
What a handy idea. Thanks for sharing.
I searched high and low for instructions like this when I saw a coin pouch made from a Skittles wrapper and now....(cue angelic choir singing) I've found just what I needed. Thank you for taking the time to post these instructions and pictures (with dial up no less!!!!)
karen6087 years ago
Cool recycling. I'd like two label fronts just for the colors. Loved your large wording on the pictures. Easy to read for tired eyes.
Yay!!! I saw this on the 'Craft:' blog, and I've been hoping you'd post it here. Now to go get me some Fritos...