The can's label is red, excect for the top part of it, which is white. The word "slimycan" is printed on the white section in green text and capital letters, and the words "snail food" are printed on the red section in blue text and in capital letters as well, with the words stacked.
Role in series
"Gary's New Toy"
When SpongeBob cannot find Gary, he grabs a can of Slimycan Snail Food out of the top cabinet of his kitchen to feed him, but Gary is too busy playing with his new red ball.
"SpongeBob You're Fired"
A depressed SpongeBob comes home from work after Mr. Krabs fires him over a nickel. SpongeBob then proceeds to feed Gary this snail food.