Lisa is going to offer this pattern on her blog as a free download. You can also purchase the printed pattern if you prefer that. Directions include two sizes, 70" x 82" and 40" x 58".
The lap quilt will take 3 yards of fabric for the backing and the larger quilt will take 6 yards. If buy it at the same time as the quilt kit you will get 20 % off the backing.