ESTON PG-540XL/CL-541XL Special Refill Ink (3 x 100 ml Black) Packing List: 3 x 100 ml Black Refill ink + Thumb Drill + refill instruction + 1 syringe More feature : 1.High color saturation,high fidelity. 2.Ultrafiltration,no clogging caused. 3.Weak acid or alkalescent formula,no corrosion problems. 4.No bleeding,no smear,high print quality. 5.Quick dry formula,satisfaction at high speed printing. 6.Water base formula,no toxicity,no chemical hazards,no environment pollution PG-540: Each black ink bottle can refill up to 15-18 times ; CL-541: Each bottle can refill 15-18 times. Compatible Printers: Pixma MG2100 ; Pixma MG2150 ; Pixma MG2200 ; Pixma MG2250 ; Pixma MG3100 ; Pixma MG3150 ; Pixma MG3200 ; Pixma MG3250 ; Pixma MG3255 ; Pixma MG3500 ;Pixma MG3550 ; Pixma MG4100 ; Pixma MG4150; Pixma MG4200; Pixma MG4250; Pixma MX375; Pixma MX435 ; Pixma MX475 ; Pixma MX515 ; Pixma MX525 ; Pixma MX535; Pixma MX395 GUARANTEED : If for any reason you are not satisfied with our products, you can return or exchange within 2 weeks of receiving shipment. Your purchase is covered by a 1 year replacement warranty if the product doesn't work well.