Spikeball: Atlas Balls - 2 Pack - Redesigned for the competitor, the Atlas Ball has pips for grip, spin, and control. The extra surface area means more defensive touches, more gameplay, and ultimately, even more fun. It's the same ball you know and love, 18% bigger... so your rallies can be, too. The iconic black and yellow design allows you to follow the ball more easily. Used as a cross-training tool by volleyball and tennis players to fine tune touch and hand eye coordination. Ball Size: 4.14 inches in diameter. Regulation-size for official roundnet tournaments. Comes with 2 balls. Perfect for replacing a lost or popped Spikeball, or to add to the collection. Why Spikeball? Spikeball designs the original Roundnet equipment trusted by players across the globe. Every set, ball, and accessory is crafted for the moments that matter most-whether you're playing casually with friends or competing at the highest level. Trusted by players of all levels-from first timers to pros