The content of the kit are black ink -120 ml, syringe with blunt tip needle – 1 set, suction/prime holder- 1 no. The chemical properties such as viscosity, surface tension, specific gravity & color tone are same as original. Just remove the sticker on the cartridge, take ink in the syringe, just fill it and paste the sticker back. Detailed instruction is provided with the product. Put the cartridge in the suction holder and suck one or two ml ink using the suction syringe. Red Star ink is perfect for hassle-free refilling of ink cartridge and offer sharp, clear, smudge free & long lasting prints on a wide range of surface media. Only cartridge in a good condition can give good prints after refilling.