Pin the zipper piece to the top of the bag, raw edges together. You will have about 1" overhang at each end.
Almost done now :o) ...........Trim the bottom end of the zipper so that you have a nice straight edge to sew the binding onto.Sew the binding on, raw edges together, as shown in the pic above. Mitre the corners as you go around the bottom of the zipper.Sew it around both sides and the bottom end of the zipper, leave the top end of the zipper open. Flip the folded edge over the raw edges and stitch the binding down using a blind stitch.Cut a 6 1/2" strip from the leftover binding and fold the top edge over 1/4" and press.then fold this piece in half, right sides together and sew along the one side and across the top. Trim off the top 2 corner pieces, turn inside out and press. Undo the zipper a little bit and slip the little sleeve over the open ends of the zipper. Pin in place and stitch on. Your little toiletries bag is now complete!!!!
I'd really love to see any of these little bags that you might make so please send me a link if you post a piccy on your blog, I can then post a list of links on my sidebar so that others can see what you've made too :o). Please feel free to pass the link to this tutorial on to your friends too.
I'm looking forward to seeing your handiwork!!!