This instructable covers making the 'plarn' yarn as well as general instructions on crocheting the tote. https://www.instructables.com/id/Plastic_bag_bag/?ALLSTEPS This instructable covers making the plarn in general. https://www.instructables.com/id/Recycle-Plastic-Shopping-Bags-into-Yarn/ Using either, crochet as you normally would. Remember, plastic gives a little less 'give' than yarn would. In my experience, at least. Happy hookin'!