Released on August 17, 2026

A notebook featuring a striking, natural color reminiscent of coffee.

The high-quality texture, accented with an embossed Siren logo, fits comfortably in your hand. Its simple design makes it a perfect everyday companion for any purpose.

* 159 pages / Grid layout
* The cover is made using material recycled from discarded coffee grounds. (Note: These are not coffee grounds sourced from Starbucks stores.)
* The inner pages use FSC-certified paper.

Dimensions (Width x Depth x Height)
14.8 x 1.1 x 21.1 cm
Materials
Cover: Polyurethane
Body: Paper
Ribbon: Polyester

1. New & Authentic