Refillable 6-ring binder notebook with a Thermo PU cover and Samurai-style strap detail, sized 17 x 23 cm with 14.6 x 20.6 cm refill pages; built with a premium dark gray ring mechanism and refill sheets using Fort cream paper 80 gsm and C250 gsm, with 4-color double-sided printing. Manufactured in Vietnam for B2B sourcing, it helps teams keep documents organized by sections, swap pages quickly as content changes, and support professional meeting, training, and project documentation workflows.