The crochet case is made of oxford cloth, which is sturdy and durable. The upgraded crochet needle case has more notches to store your crochet supplies. The first layer of the knitting needle case has 20 pockets, 8 on the left and 12 on the right. There are 3 pockets with different depths on the left side of the second layer of the knitting needles case, which can store 11-inch interchangeable knitting needles and circular knitting needles. The double-layer design maximizes the use of space, so that all your crocheting supplies can find their own place.