Amy Gabbard: Nap Mat Pattern -- Kindermat Cover Pattern
DIY preschool nap mat cover tutorial with attached blanket, pillow, straps and handle.
Dimplicity - Crafty Blog: Nap Mat with Applique Name Tutorial
Another great nap mat tutorial. Flannel seems like a better choice- cozy but not too hot.
How to Make a Nap Mat - https://sewing4free.com/make-nap-mat/
Owl Nap Mat Cover with Pillow and Blanket by SarahSunshineDesigns, $60.00
Kindermat Nap mat covers!!
She's crafty: Nap Mat Cover tutorial
Crazy Wonderful: DIY nap mat cover | tutorial