Apparatus for preventing spills inside of dishwashers; apparatus for preventing spills on the outside of dishwashers; dishwasher covers; dishwasher inserts; dishwasher liners; fixture covers; covers for household appliances; liners and inserts for household appliances; drainboards; dish racks; sponge holders; splatter liners; splash liners; splash liners for household appliances; splash liners for home fixtures; splash guards for consumer products