Synthetic beads "Cat's eye". The number and length vary depending on the size of the bead. There is a knot between each bead. Low is sold as a finished product with a carabiner lock. Synthetic stone - a complete analog of natural stone, completely repeating their structure and chemical composition. In fact, this is a grown jewel stone, because the technology sometimes literally imitates the natural process of its creation. Availability and price check on the website of the seller.
The link to the product: Cat's eye beads
Store of goods for art and crafts in Zaporozhye "UmeyuVSE".
st. Soborny 143