* Material:
1:White Pearl shell beads-s925 silver buckle-stainless steel spikes
2: High light grey pearl shell beads - s925 silver buckle-stainless steel spikes
3. Black Onyx beads -s925 silver buckle-stainless steel spikes
 
Small size : approximately :30+10cm
Medium size : approximately 35+10cm
Large size : approximately 40+10cm
*For your reference, sizes S and M are generally recommended for women, and size L is typically suitable for men.
If the wearer has a fuller neck or prefers a looser fit, we recommend sizing up for comfort
Contact me for other size 
 
The price is different according to the material.