Medium size Glass beads that looks like black onyx. You can take the tassel off if you do not want the maroon tassel. (See in photo)
Sixteen for chanting sixteen rounds and extra four for chanting each set of sixteen rounds. Tie it onto your bead bag string and bring one bead down for each round of Hare Krishna Maha Mantra (108 Japa).
Hare Krishna Hare Krishna Krishna Krishna Hare Hare
Hare Rama Hare Rama Rama Rama Hare Hare