Microcore
Vesture Hot Pack-Replacement Microcore Pac for Casserole Carriers (Red Pack For Microwave Heating)
RPLIFE
RPLIFE Casserole Carrier, Keep Cold Hot Pack for Casserole Carrier, Ideal for Picnic, Potluck, Hiking & Beach Casserole Dish with Lid - Christmas Blue Stars
Vesture
Vesture 5" X 7" Microcore Hot and Cold Pack for Heating or Cooling - Durable and Stays Hot or Cold for Several Hours
RPLIFE
RPLIFE Casserole Dish Carrier, Keep Cold Hot Pack for Casserole Carrier, Ideal for Picnic, Potluck, Hiking & Beach Insulated Casserole Carriers for Hot or Cold Food - Halloween Night Mystery