Product descriptions list the pins as metal—many use labels like '100% Metal' or '100% Iron' to describe the material.
The listings show several sizes: about 2 inches for standard pins, roughly 2.38 inches for decorative diamond-shaped pins, and approximately 2.75 inches for extra-long pins.
Pack counts range from small sets of 10 up to 100 pieces. Common quantities shown include 10, 45, 48, 60, and 100 pins.
Most listings state they’re suitable for 'All Hair Types.' One extra-long option specifically calls out use for 'Long, Thick Hair.'
Listings emphasize no-slip or slide-proof designs and extra-secure grip styles intended to provide tighter, all-day hold without adding bulk.
Age labeling varies across listings: some list '3 years and up,' one lists '18 years and up,' and several simply state 'All Ages.'
They’re listed primarily for styling and securing hair; decorative options are also described as fashion or styling accents.
Review summaries report very strong, no-slip hold and all-day performance, good compatibility with thicker or straight hair, and comments that some options feel sturdier and hold up over extended use.