whereupon you just sew the sleeves shut, cut the neck a bit wider depending on how big it already is (you have to be able to quickly get your groceries in that hole), make a handle size cut either side of the neck (try to make them line-up) and voila! You have a new cloth grocery bag! It's stretchy, holds a lot, and folds down to a nice neat size to store in your handbag or your backpack or your vehicle. So cool! Alternatively, you cut off the arms, and use the armholes for the handles, open the neck up a bit and you have a slightly different shape of bag (these handles are more like the ones on a plastic bag). I tried mine out this morning and couldn't believe how much i could fit into this one I made from one of my mum's old lovely t-shirts! You could start collecting thrifted t-shirts now to make really fun, easy, cheap, environmentally-friendly birthday gifts for all your friends and family.
Let me know if my description isn't clear. I love my new bag!