These bottles of compatible T6644 yellow ink contain the same 70ml as those produced by Epson. Whilst the C13T664440 ink has not been manufactured by Epson it has been designed by our manufacturers to provide comparable results.No parts in these compatible Epson T6644 ink bottles have been reused, so the whole thing is brand new for optimum quality. These C13T664440 ink can be used in all the same printers as the original bottles including the Epson EcoTank L355.All of our compatible Epson ink bottles carry a 100% satisfaction guarantee. Included in this fantastic price is VAT and delivery, so what you see is what you pay!