Common closures include spring-ring clasps, lobster-claw clasps, and lariat (sliding) closures, with lariat styles offering an adjustable fit.
Some bracelets are sized and tested for babies and young children (examples note from about 6 months up, with recommendations through roughly age 7), while other styles are marketed for adults (18 years and up).
Adjustability is offered in several ways: children’s pieces may have sizing reductions, many adult bracelets include adjustable clasps or extension chains, and some lariat designs use a sliding bead for a custom fit.
Many listings note that a gift box is included, so several butterfly charm bracelets are presented ready for gifting.
Children’s gold bracelets are described as third‑party lab tested and compliant with the Consumer Product Safety Improvement Act (CPSIA) and ASTM F2923; some listings also include CPSC choking-hazard warnings.