A comprehensive grid of meticulously detailed freshwater and saltwater fish species fills this natural history illustration, each specimen rendered in precise watercolor with subtle gradations of green, brown, red, and gold tones. The compositions is calm and orderly, presenting the fish in profile against a cream background with small identifying text below, evoking the scientific naturalism of classical ichthyology guides. Constructed from woven polyester with a soft microfiber lining and a sturdy zipper, made to order for 13 and 15 inch laptops. Everyday protection carrying an independent artist's work, not another plain black sleeve.