A quilting pillow might be nice. Or a quilted lap throw, maybe not as big as a lap quilt, maybe a little longer than wide. I am thinking she could put in on her lap and cover her legs when she is sitting in a chair. I think it is a great idea for you to make something. I am not sure I could part with my sewing even to go to a senior's home. Most have activity rooms and do crafts of some sort.