The Orca Pickleball Pi 26 indoor 6-pack is a USAPA official size 26-hole ball designed for indoor gym surfaces with strong bounce, durable gameplay, and balanced easy volleys. The balls are intended for games played on multi-purpose gym flooring, including hardwood courts. The large machine-drilled holes and seam welding technology used to manufacture the Orca Pi 26 indoor pickleball provide strong bounce and easy play volleys. This ball meets pickleball equipment standards at 0.811 Ounces (23 Grams) with a diameter of 2.913 inches (74 mm) and is USA Pickleball Approved making it great for indoor hardwood courts and round after round of indoor practice. Made of TPE, the 26 large holes help create smooth flight with strong bounce on indoor surfaces. The consistent clean yellow color of the Orca Pi 26 Pickleballs helps improve visibility and meets the USA Pickleball standards to deliver the same high-quality game experience players know they get from Orca brand paddles. Manufactured for indoor gameplay with a softer design that produces good bounce, smooth shot exchanges, and durability for players just getting started to the most demanding.