Kokuyo Jibun Techo Biz Planner 2026 Monthly A5 Slim Matte Black December Ni-JB1D-26 (Starts 2025)

[Period] Monthly: December 2025 to March 2027, Weekly: December 2025 to the second week of January 2027 [Layout] Monthly block format, one week per spread (24-hour vertical), starts on Monday [Size] A5 Slim (217mm x 138mm) [Number of sheets] 104 [Set contents] Biz 2026 DIARY, instruction manual [Color] Matte black [Material] Cover: PVC (opaque matte, with pen holder)