Kunti Malas are worn by the devotees of Lord Visnu for protection and purification. They are made of Tulsi (Basil) which is considered very auspicious, sacred and protective plant. The light color wood beads are the Tulsi (Basil) beads, the brown color is rosewood, which is another sacred wood in India used for healing and to shield from negative energy and the black bead are dyed tulsi beads.
They measure approximately 18".
Any irregularity in the beads should be deemed as normal.