Extra Strength Bubble Soap is a brand of bubbles that appears in the episode "Who R Zoo?"
It is a large, lime green bubble canister with a dark blue sticker label on the front that shows a shiny pink bubble with arms flexing. The product name is imprinted in shiny white-pink letters, with "Extra Strength" above the arms and "Bubble Soap" below them.
Role in episode
SpongeBob and Patrick use this bubble canister to blow the many bubble animals for their Bubble Zoo and eventually the location itself.