4X100ML Premium Sublimation ink for Epson Workforce Printer : 

WF-3920 WF-3925 WF-4920 WF-4930 WF-4935

For Sublimation (Heating transfer)! 

Does not work on 100% cotton!

Only ink bottles are included this item. 

This item does not include the refilling instruction. 

Black=100ML

Yellow=100ML

Magenta=100ML

Cyan=100ML