The patches are 100% cotton kitted fabric. They are lint free, they will not shed or fray and have no loose strings or threads to get left behind. Because of the knit in the fabric, it grabs fouling easily therefore cleaning much better than flannel or acrylic. Pack of 50 patches.
100% cotton knitted fabric
Will not shed or fray
No loose strings or threads
Grabs fouling easily
Size 3″ square, includes 50 patches