"Post stitches, crossed double crochets, bobbles, and stitches worked into the back loop only add lots of texture to this 12” (30.5 cm) square. Materials: Lion Brand Heartland yarn (Solids: 100% acrylic, 5 oz/142 g, 251 yd/230 m; Tweeds: 94% acrylic/6% rayon, 4 oz/113 g, 200 yd/183 m). Clover Amour US Size I-9/5.5 mm crochet hook, or size that matches gauge or you prefer using with medium weight yarn. Clover Quick Locking Stitch Marker set (optional). Clover Chibi yarn needle."