I used: 50% mercerized cotton yarn, 50% viscose, 350 meters in 100 grams and Steel crochet hook: 2.0 mm-3.0 mm. In this video you will see how to crochet PHONE Case Cover Holder with popular stitch pattern working in rounds and you will know how to crochet simple cord for such cell phone case cover . #crochet3d #crocheting #crochetcellphonecover #elenarugalstudio #crochet3dstitch