This alignment ruler set gives you everything you need to produce consistent professional-quality results. You'll have 5 rulers to make placing your Patches a breeze — all of which are made from strong, durable PVC material that won't peel or fade easily. The measurements are clearly visible on this alignment ruler set in the form of guides, so you can quickly and easily line it up with the collar of the garment, saving you hours of repositioning and second guessing.