Toaster oven liners; toaster liners; apparatus for preventing spills inside of toasters and toaster ovens; apparatus for preventing spills as the result of using a toaster and/or toaster oven; Stove burner covers; oven covers; oven liners; appliance covers; toaster oven covers; toaster oven inserts; covers for household appliances; liners and inserts for household appliances; splatter liners; splash liners; splash liners for household appliances; splash guards for consumer products