This set comes with everything they need to start their exploratory adventure. It features a plastic lens, adjustable fins, a dry top snorkel with a purge valve, and a mesh bag for storage. product features: yellow and black snorkeling set fin size is jr 10-13 set includes mask, snorkel, and fins features plastic lens, adjustable fins, and a dry top snorkel with purge valve comes with a backpack-style mesh bag for storage dimensions: overall: 21"h x 8.50"w x 3.75"d material(s): plastic