Jenny Garland Nap Mat Tutorial...You can order the foam from Walmart.com and it is enough for 2 mats. I also found it was easier to have the bottom velcro instead of down the one side. My boys LOVE their nap mats though!
Janiebee Hollywood Quilted Nap Mat. "The ultimate in luxury nap mats, Janie Bee’s mats are made with luxurious cottons, Minky brand Dimple blankets and TWO inches of thick, soft, quilter’s batting. It even includes pillowcase and blanket attached at the side. Use for preschool, sleepovers, or visits to Grandma’s! This version is perfect for any girly girl with its trendy pink, white, and black patterns. Also can be personalized." -Joanna Dreifus from My Mom Shops