Solufix is a self adhesive water soluble fleece commonly used in machine embroidery as underlay. After embroidering you rinse it out with water. Cold water will do, warm is quicker. 
Solufix is printable, with the A4 size easy to use...

This kind of underlay is handy when embroidering stretch fabrics. Take the size of the embroidery hoop and a little extra. If you include the solufix when you secure the fabric in the hoop it will stay put making the embroidery proces easier and with a better result
Solufix is suitable for hand embroidery and machine embroidery

Difficult to choose your interlining? Check out our Vilene interlining choosing aid 

Blog about solufix and it use (dutch)