Typical lengths range about 1.5 to 1.75 inches, widths from about 0.35 to 1.75 inches, and listed weights generally range from roughly 0.04 to 0.15 ounces (one listing shows 4.40 grams).
Listings mention created or synthetic blue opal (including blue accents), multicolored opal, and glass stones. One listing specifies four stones with a total stone weight of 0.2 carats.
Common finishes include polished surfaces and protective rhodium plating; several listings specifically note anti-tarnish rhodium treatments to help preserve the metal's shine.
Descriptions highlight lightweight construction and low listed weights (for example, about 0.04 to 0.15 ounces), which are presented as contributing to all-day comfort.
They are marketed for holiday and religious occasions—commonly Hanukkah and related celebrations—and as gifts for events such as Bat Mitzvahs, Passover, birthdays (including October birthdays), and party accessories.
Protective qualities noted include tarnish-resistant finishes and rhodium or anti-tarnish rhodium plating to help preserve shine.