These are descriptions of polypropylene (PP) non-metal clip closures. Most are ratchet closures with removable spacers, available in various size ranges: 18-22, 25-28, 31-35, 39-44, and 48-53. There is also a heavy-duty option with a captive lock strap, size 63.
PP non metal clip ratchet closure 25-28 with removable spacer | CL25 | |
PP non metal clip ratchet closure 31-35 with removable spacer | CL32 |