Specifications: Ink Color: White, Green, Purple, Pink, Blue, Dark Blue, Yellow.
Pink pen: 1-7 days disappear, or use water to wipe them off immediately.
Blue pen: writing trace does not disappear automatically, but it can easily and quickly erasable by water.
Green pen: Automatically disappear, or quickly erasable by water
Yellow pen: Automatically disappear, or quickly erasable by water.
Purple pen: 2 to 14 days automatically fade or use water to wipe them off.
Dark Blue pen: Automatically disappear, or quickly erasable by water.

Package include:
7 assorted colors sewing marking pens
1 * Purple
1 * Pink
1 * Dark Blue
1 * Blue
1 * Green
1 * Yellow
1 * White

Features:
Good for patchwork, cross-stitch embroidery and quilting,Ideal for marking tweezers on patterns!!
Easy to erase, with a slightly damp brush immediately disappears the stroke left by the pen!
They are easily removed, using only water, no need to rub. Very useful for marking fabric.
They can blur on washing, but do eventually disappearthe darkest colours the easiest to wash out. However this depends on what fabric you are using.
Please Note:
1.The disappearance time varies with temperature, humidity, fabric, dye, storage method, etc. This product is made according to the principle of absorbing the moisture in the air to eliminate the label. If you want to remove the mark immediately, apply it with clean water.
2.Do not use any solvents or cleaning agents.