All balls hold air. Some are in better condition than others. Balls will be deflated to make for easier shipping. See photos for details. This product is a set of 8 Wilson Evolution indoor basketballs in official size 7NFHS with a microfiber composite material. The balls are designed for indoor play and feature a distinctive orange and black color scheme. These high-quality basketballs are ideal for playing the sport in a team setting, adhering to the regulations set by the National Federation of High School Sports (NFHS).