Quiltzilla

The ink's color does not come back unless it is subjected to temperatures below 14°F. There is one thing that I would warn you about, not all of the colors work well. Some of the colors will be visible, although very faint, after ironing. White fabric, being the hardest to hide something on, was what I used to test the three Frixion pens I bought. The colors in my set are purple, orange and pink. The purple vanishes very well. The orange leaves some trace color and the pink functioned the worst. The pink was still 'noticeable' after heating.

They all come back if they are taken down below 14°F, as they should. Reheating results in the same outcome as above.

msawicki64

Where do you get your sewline pencils?

LindaJR

I am thinking this would be fun to use at Christmas time for a gift to a child. Of course would depend on how cold it has to be to bring the color back to the project. But wouldn't it be fun to make a cloth gift bag for a child or maybe even an adult and when they took it outside to go home it would get cold and a secret message would appear. From sound of this it should stay until it was heated by an iron. Does this sound craby? I did nto sleeplong last night so could just be tired.

LindaJR

I just read where it has to be 14 F, so I guess you would have to tell the person to put the object in the freezer when they got home.

zennia

Thanks for the information. Glad I red it because today I was going shopping for one. You saved me time and money.

catrancher

Thanks, I bought some of these after reading about them, but I haven't used them on anything important. I tried using the end of the pen to "erase" the ink, like using an eraser on a pencil. (I didn't really know how they were supposed to work.) I thought the ink got lighter, but it didn't disappear. Maybe it was the friction from the rubbing. They still make a nice thin line for tracing embroidery designs onto fabric.

nativetexan

yep, i've been afraid to use the two pens i bought for that reason. washing out is best, ironing out always worried me. evidently for good reason.

sueven

Thanks for the tip

Butterflyblue

At a LQS they had a marking product that looked like tailor's chalk but was supposed to disappear with a hot iron. Does anyone know if those will reappear?

What worries me is not that the lines come back (as PP have said, who puts a quilt in the freezer?) but will the ink do damage to the fabric over time if it isn't washing out?

CarrieAnne

Thanks for the info!