Callaway HX Soft Flight - Foam Practice Golf BallsFoam Golf Practice Balls: Our durable, soft flight foam golf balls are designed for safe everywhere use can even be used as indoor golf balls HEX Dimples: Our golf practice balls feature patented HEX pattern dimples, a patented feature found on all Callaway golf balls Soft Foam Construction: Our soft golf balls are designed to stimulate ball flight, while remaining soft enough to use safely anywhere ideal practice golf balls for backyard or indoor use