Here is a quick and easy way to make a tab label. It tucks inside the binding on the back of the quilt. It has just enough room to record all the important things - don't forget that you can also write on the back of the tab. Here is a pictorial record of making a tab label.
start with about a 2 1/2 inch wide by 3-5 inches, fold in half length wise and sew sides
Turn and press and sew into seam allowance on edge as you sew on the binding.