Tulip MeadowRudraksha Mala Japa 108 Indian Beads 8mm Prayer Necklace Kanth Mala Wrist Mala Wrap Bracelet

Are these authentic or fake Rudraksha?

How long is this mala? In the description it says 41-45cm (16-17 inches), which doesn't seem to add up if it's made from 108 - 8mm beads.