Catalog Bags Supreme x SealLine Waterproof Case

Supreme x SealLine Waterproof Case

Spring/Summer 2020 · Bags · Last updated April 19, 2026

Supreme vs. Original

Supreme x SealLine Waterproof Case

Supreme version

$48 retail
HP Map Case by SealLine

Original — SealLine

HP Map Case

$30 Avoid the 60% hype tax

About the original

SealLine, a division of Cascade Designs (founded 1972 in Seattle), makes waterproof cases and dry bags for paddling and backcountry use. The SS2020 Supreme version is an 8.5-by-4.5 inch polyurethane case with a SealLock zipper, sized to hold passports, phones, and small electronics — the same case SealLine sells as the HP Map Case. It released May 28, 2020 at $48.

Price comparison

SealLine retail $30
Supreme retail $48
Hype Tax +60%