"Heart" the rosary chain at the left, is a chain in plastic with a metal cross.
The chain measures 50 cm from the cross and up to the center back.
The cross measures 4,5 cm.
"Romanov" in the middle and at the right is a long rosary chain with plastic prisms and a metal cross with pearls.
The chain measures 53 cm from the cross and up to the center back.
The cross measures 6,5 cm.
There is no lock in any of the chains.