Craft: Quilting: Small Charm Square Quilt. Part 2

The next stage to this quilt is making the quilt sandwich. I've used a navy cotton with a red and white pattern for the backing fabric, then a 100% cotton wadding but as it is quite thin and I'm machine quilting I used a double layer, and the top is my charm squares sewn together. I cut the backing and the wadding slightly larger than the top.

I then pin the 3 layers together using quilting safety pins.