This is the necklace that was scene around Tsunade's neck when she first appeared in the series. She later passed the necklace down to Naruto. However, this necklace originally belonged to the First Hokage, and it helped increase the control of the tailed beasts!

Metals Type: 
Tin Alloy

Necklace Type: 
Pendant Necklaces

Material: 
Rhinestone

Shape\Pattern: 
Geometric

Chain Type: 
Rope Chain

Pendant Size: 
5 x 1 x 1 cm.