serene underwater set with various seashells, a starfish, coral, and rounded s suggesting pebbles in soothing pastel tones.

underwater world life isolated flat vector illustration set bundle pack collection hand drawn marine group scene seashells starfish coral pebbles sea anemones serene soothing pastel marinethemed children stationery different fresh doodle day reef floral ocean tropical flora oceania animal seaweed algae undersea aquarium wildlife nature fauna wild swim aquatic