Ultem Seigaiha Inlay for Custom Keychains

Bring a classic Japanese wave motif to your everyday carry with an Ultem (PEI) Seigaiha inlay made for Swampy keychains. Seigaiha’s repeating wave pattern adds movement and detail without feeling busy, and the translucent amber Ultem tone gives it that signature “glow” collectors love—clean, premium, and instantly recognizable in the pocket.

This is a replaceable magnetic inlay insert, designed for quick swaps so you can rotate patterns in seconds and keep one keychain base for multiple looks. If you’re searching for an Ultem Seigaiha inlay, a PEI wave pattern keychain insert, or an interchangeable inlay for custom keychains, this one delivers a sleek EDC upgrade that clicks in securely and stays lightweight.

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

Listing is for the inlay only (base/body sold separately). Ships to USA 🇺🇸, Switzerland 🇨🇭, Sweden 🇸🇪 & worldwide 🌎.