These Knit-Kards™ and are 3.25" x 5.25" in size printed on both sides. Our set contains an entire set of ready reference information for knitters and fiber artists. The Set includes the following 12 double sided cards: Cast-on Card™ Kitchener Stitch Made Easy!™ and Perfect One Row Buttonhole™ Make to Fit™ Yarn Classification Chart™ Yarn Yardage Estimator™ Yarn Yardage Table™ Perfect Gauge Swatch™ Decreases Knit-Kard™ Yarn Label Guide™ Knitting Abbreviations and Terms™ Knitting Needle Inventory Kard™ Increases