Common options include an 18-inch chain with a 16-inch plus 2-inch extender, and a 19-inch chain with a 17-inch plus 2-inch extender—both give about 2 inches of adjustability.
Closures are typically spring-ring or lobster-claw clasps, and the chains are commonly a cable-style link across these designs.
Many pieces feature protective finishes such as E-Coating and are described as tarnish-resistant. Some designs also use rhodium plating over sterling silver for longer-lasting shine.
Many sets include a keepsake jewelry gift box and a sentimental message card that explains the linked circles, making them ready for gifting.
Designs range from two interlocking rings up to multi-ring pieces; common examples include two-ring keepsakes, three-generation (three-ring) necklaces, and six-ring necklaces representing six decades.
Descriptions commonly note that pieces are nickel-free and tarnish-resistant. Materials listed include .925 sterling silver and 14K gold–plated sterling silver.