Baseball Jersey Uniform Builder Baseball Shirts Wholesale. Before the bulk orders and our real cooperation of dye sublimation baseball jerseys, we always manufacture samples of sublimation baseball uniform sets with your own design and custom logos and ship to you for checking the quality in person. You can check our design ability, printing quality, sublimation heat transfer quality, sewing quality and packing. We always provide top quality after sales service, we always keep instant communication with clients, please do not worry anything. For samples time of custom sublimated baseball jerseys, we finish them in about 5 days. The actual production depends on the actual quantity and we will update you the real time for it always.