These are the real-deal heavy duty bounce backs... we don't sell big box junk here at Lax.com. If you need a durable and reliable piece that will last years, look no further. STX over-engineered these bounce backs and the result is a beefy, sturdy and consistent rebounder. The STX Bounce Back training aid is an invaluable tool that can take a player to the next level. Using a bounce back for wall ball just 20 minutes a day will improve any players game.