These rulers feature easy-to-read lines for marking and measuring fabrics as with measurements going right to left and left to right. Each ruler has a unique non-slip coating that keeps the ruler in place on fabric for easy, accurate cutting. Easy to read lines for marking and measuring your fabric – 1/8in, 1/4in, 1/2in, 3/4in and 1in markings as well as multiple angles. Unique Non-Slip Coating One inch lines with two sets of corresponding numbers are placed around the perimeter of the ruler and read left to right and right to left – never lose your place or have to count backwards! This ruler features an exact measurement around the perimeter – no more accidental cuts and squaring your blocks has never been easier!