This is a felted bag with a zipper closure. It is knit in one piece by picking up stitches, then the sides are seamed by chaining them together with a crochet hook.

Also needed:
9 inch zipper
Thread to match zipper
Plastic needlepoint canvas

Special thanks to yarniefolk at The Knitting Tree, L.A. for naming this pattern and an even bigger thanks to stewlf for editing it!