... Germany zipper, tight zipper, no water seepage, safer for the player.3. Germany welding machine, good weld, maximum life expectancy.4 ... kit and lubricant for the ball, extend the life of the ball(sometimes, the lubricant would be confiscated by the customs).Specifications Of Our ... Quality guarantee to avoid your after-sale-service risk, 3 years warranty3. Factory direct sale, competitive price, and ...