Sportime bladder is for use with the 087908 Durahyde Nylon Pushball (sold separately), and has roto-molded seamless construction for preventing leaks, and retaining a round shape. The bladder has a valve with a tight-fitting plug for inflating and deflating. The bladder fits inside balls with a diameter of 60.0"/152.0cm, and is latex free for individuals with latex allergies.

Physical education products are used by health teachers, physical education instructors, and recreational professionals to help individuals develop knowledge and skills to participate in a variety of physical activities. Physical education products include gear, such as mats, balls, nets, disks, gloves, helmets, and track and field equipment, to support gym, athletic, and recreational activities, as well as fitness and health-related toys, books, and games.

School Specialty provides instructional materials and supplies under dozens of brands, among them Abilitations, Think Math, Delta Education, Frey Scientific, Neo/SCI, Childcraft, School Smart, Sportime, Speech Bin, and Sax Arts. The company, founded in 1959, is headquartered in Greenville, WI.