In this 4-pack, you'll have one Anatomy Lab skeletal system anatomical poster which shows the anterior view and posterior view of the entire human body, with smaller, more detailed illustrations of the skull, vertebral column, auditory ossicles, knee joint, hand ligaments, foot ligaments, and the cervical, thoracic, and lumbar vertebra. One Anatomy Lab muscular system anatomical poster which shows the anterior view and posterior view of the human musculature, with smaller, more detailed illustrations of the muscles of the hand, body muscle chart of the foot, and deep back muscles. Another included title is the Anatomy Lab nervous system poster shows the anterior view of major and minor nerves of the human body, the cranial nerves with an inferior view and cross-section view of the brain, as well as the spinal cord with detailed segments of the vertebral column, including a cross-section of the cervical spinal cord in full color. The last included title is the Anatomy Lab human brain anatomy poster that shows a lateral cross-section of the brain and spinal cord, a view of the brain's arteries, and a color-coded depiction of the brainstem, cerebellum, and lobes. This 4-pack bundle includes 856 labels for learning, identification, and study of the anatomical muscular, skeletal, and nervous body systems as well as the brain anatomy. The high-quality, durable 2.4 mil lamination means that not only are these anatomy posters tear and stain-resistant, but also protects the beauty of the hand drawn illustrations from damage and curling. Each poster measures 17.3 inches in width and 22.5 inches in height, making it the perfect size for a variety of applications, including classrooms, clinics, home offices, and doctor's offices. Each poster is exclusive to Anatomy Warehouse and are proudly printed and laminated in the United States, ensuring the high-quality standards our customers expect. None of these posters come with a frame.