Foldable glasses cases are commonly made from polyurethane (PU), faux leather, and linen.
Common overall sizes include about 2.6 × 2.7 × 6.3 inches and about 2.3 × 4.7 × 6.3 inches. Some listings also show metric and expanded sizes such as 16 × 7 × 6.5 cm (6.3 × 2.7 × 2.6 in) and an expanded 19 × 16 × 6.5 cm (7.5 × 6.3 × 2.6 in).
Foldable glasses cases commonly fold into a triangular (stable triangular) shape that provides a stable form to hold larger frames.
Closures typically include magnetic folding mechanisms and a copper snap buckle for secure fastening.
Inner protection usually comes from soft linings or soft flocking layers that help prevent lens scratches and damage.
These foldable organizers often include a 3‑slot compartment for storing multiple pairs or accessories.
Protection comes from a sturdy outer shell that resists compression and inner soft linings that prevent scratches and friction damage to lenses.