The 4 larger double drilled bone beads have the grooves channeled with white stripes, while the other double drilled beads have been batiked.
The dying method is known as "batik", which is a wax relief process.
The larger 4 beads are 2 ¼" x 1 ⅜" wide (57mm x 35mm), and the batik bone beads are 1" and 1 ½" (25mm and 38mm).
