4 Indoor Pickleballs - Each pack includes 4 high-visibility pickleballs specifically engineered for indoor use, ensuring superior durability and performance on any surface. USA Pickleball Certified - PCKL Optic Outdoor Pickleballs are designed to meet USAPA specifications, featuring a standard 74mm size and 26 grams weight for optimal performance in tournament play. Exceptional Durability - With precision-seam welding and premium materials, these pickleballs withstand intense play and extreme temperatures while maintaining their shape and balance. Enhanced Visibility - Vibrant, high-visibility colors make it easy to track the ball during play, reducing distractions and improving reaction times on the court. Precision-Molded for Consistency - Featuring 26 precision-molded holes, the PCKL Optic Pickleballs offer superb balance and consistent spin, making them a reliable choice for serious players. PCKL Optic Outdoor Pickleballs are ready to drop, drive and slam straight out of the pack. Built to USAPA requirements for outdoor, tournament pickleball play. Optic Pickleballs deliver exceptionally true flight, bounce and playability. The precision-seam welding offers great durability in all temperatures, providing greater structural stability and longevity. 40 smaller, precision-molded holes provide excellent balance and consistent spin, while alleviating wind interference.