The ink cartridge uses the P.P. material which is the transparent（透明的）design.It can long-term resist-cautery(抗腐蚀) from the ink. The Howsir ink with special high quality is compatible the original ink completely, deviation in 7% compare with the original ink color. The stability passes through under the massive experiments and the customer test, the definite stability meets the requirements. Now we have already went into mass production, prevent the caulking, free printing. The CIS System contains a set of Epson 4800 cartridge, Epson chip resetter(解码器) and auto reset chip（永久芯片），4 Filling funnels and contains 8 color dye ink which is 500ml each color. Prints is free from now on.