Things You'll Need
- Standard cotton pillowcase
- Uncooked rice
- Sewing pins
- Needle and thread
- Microwave
- Towel
Instructions
Locate an old, clean standard cotton pillowcase. Use any pillowcase, including flannel, that is made from 100 percent cotton.
Fill the pillowcase halfway with uncooked rice.
Close the open end of the pillowcase and pin it together to hold it temporarily.
Sew the pillowcase closed with a running stitch using a needle and thread. Remove the pins. Sewing the pillowcase closed will ensure that the pet is not able to open the edge and consume the uncooked rice.
Place the pillowcase in the microwave and heat on the high setting for 1 to 2 minutes. Microwaving the pillowcase for any longer could cause the pet to overheat.
Set the heat mat on the floor for the pet. Cover the heat mat with a towel to provide an extra barrier. The towel is also washable and will protect the heat mat from becoming covered with pet hair.