I found these pencils quite by chance and I love them! They are chalky, pointy, mark fabric very precisely and rub off easily. Perfect in my book and better than many of the pencils and fabric markers I have tried in the past.
Note: Chalk or lead in pencils can break very easily and this can be caused by dropping the pencils, keeping them stored with multiple other pencils and pens clattering together, or most commonly, by sharpening with a pencil sharpener - something in the twisting action of pencil sharpening - especially where the blade is less than sharp - can easily break the lead in a pencil. For this reason it is best to sharpen all pencils with a sharp craft knife.