Show off your postcard collection in style with the official Wuthering Waves Resonator Theme Postcard Storage Book.
Crafted from glossy, high-quality paper and sized at approx. 192 × 108 mm, this binder keeps your postcards safe, organized, and easy to browse. With a sleek outer cover and a clear internal ring-binder system, it’s made for fans who want both protection and presentation.
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