From Jeni Baker Patterns:
Easy lined drawstring bag sewing pattern, featuring eight sizes and make-your-own size instructions! There is a bag for everything in this pattern. Sizes range from tiny (4" tall!), to big (26" tall!), or create your own size to fit your needs. Suitable for Beginners.
Find tutorials for lots of ways to customize your bags in this post: Lined Drawstring Bag Tutorials and Variations