The Pixa Velocity Pro 40 Pickleballs in Bright Yellow are designed for competitive and recreational pickleball games on outdoor courts. Made of durable polypropylene (PP) material, these one-piece balls come in a 12-pack size. With a bright green color and weighing 15.5 ounces each, these PIXA Pickleball branded balls are suitable for players of all ages, including youth players. The item dimensions are 11.6 x 8.75 x 3 inches and the package dimensions are 11.97 x 8.82 x 2.95 inches, making them convenient for transportation and storage. Ideal for players following the USA Pickleball Association (USAPA) league regulations.