June Tailor® Rulers June Tailor® offers an array of innovative rulers created to make quilting, sewing and crafting easier than ever. Constructed of durable clear acrylic, rulers are screen printed and tightly controlled for quality, ensuring the utmost in accuracy. Most rulers are slotted for use with June Tailor® cutting mats and rotary cutters, making the tedious task of measuring and marking obsolete. Tips and techniques for June Tailor rulers.