Ultem Honeycomb Mark 1 Inlay for Swampy Custom Keychains

Start with the original vibe: the Ultem (PEI) Honeycomb Mark 1 inlay for Swampy keychains brings a timeless hex pattern and that unmistakable amber translucence collectors love. Mark 1 is the “baseline” honeycomb feel—clean, balanced, and easy to match with almost any build, from blacked-out hardware to bright, mixed-material EDC setups.

This is a replaceable magnetic inlay insert that lets you rotate designs in seconds, so one keychain base can wear multiple looks. If you’re searching for an Ultem inlay for custom keychains, a PEI honeycomb keychain insert, or a simple EDC keychain upgrade, Mark 1 is a classic choice that stays lightweight, durable, and pocket-friendly.

Specs:
Material: ULTEM (PEI)
Color: Amber
Pattern: Honeycomb Mark 1
Width: 1.3" (33mm)
Height: 0.750" (19mm)
Thickness: 0.120" (3mm) 
The inlay attaches to the Swampy bottle opener using magnets.

Inlay-only listing (keychain base/body sold separately). Ships to USA 🇺🇸, Canada 🇨🇦, Germany 🇩🇪 & worldwide 🌎.