Kinder Nap Mat Cover - Delilah and Pink Minky - Ready To Ship. $38.00, via Etsy.
Nap Mat (or take to Grandparents house for a sleepover) Tutorial
Another great nap mat tutorial. Flannel seems like a better choice- cozy but not too hot.
Finished Kindermat Nap Mat Cover
She's crafty: Nap Mat Cover tutorial
Nap Mat tutorial from Crazy Wonderful
Nap Mat Cover with Blanket Pillowcase Handle and Strap
Dimplicity - Crafty Blog: Nap Mat with Applique Name Tutorial
Nap Mat tutorial...making this for Bella right now for her long Kindergarten days...:)
Crazy Wonderful: DIY nap mat cover | tutorial