ND Brand Product: (1) 4oz black ink, 4oz Cyan ink, 4oz Magenta ink, 4OZ Yellow ink (2) Detail refill instruction (3) Four Syringes The item can work for the following printers: Pro715 Pro915 S315 S415 S515 Note: Before you refill ink, Please make sure the ink cartridge is 150XLA. Only the "A" type is refillable ink cartridge. Please pay attention on whether you got genuine ND item. We are not responsible for all other sellers sold under this category. Be aware it! If you got fake one, please report to Amazon. Thanks.