SEIBAN

Overview

SEIBAN is a Japanese manufacturer of randoseru school backpacks, known for durable, lightweight designs intended for six years of use by elementary school children. The brand operates through https://randoseru.co, emphasizing Made in Japan craftsmanship with features like raised shoulder straps to reduce perceived weight. It has expanded from traditional randoseru to family-oriented products including childcare services.

History

SEIBAN was founded in 1919 by Kamekichi Izumi in Osaka as Izumi Kamekichi Shoten, initially producing bags, wallets, and other items. Key milestones include establishing Seiban Hono Works in 1946, reorganizing into SEIBAN LIMITED in 1973 and 1986, launching the lightweight 'Tenshi-no-Hane (Angel Wings)' brand in 2003, and merging subsidiaries to form Seiban Marketing Co., Ltd. in 2016. In 2018, it partnered with children's clothing brand 'familiar' for a childcare business.

Product Lines

Manufacturing

All randoseru backpacks are made in Japan, handcrafted by skilled artisans using over 150 parts and more than 300 precise steps. Production emphasizes solid materials, lightweight design, and safety features developed in-house by SEIBAN LIMITED.

Notable Products

• Tenshi-no-Hane - Lightweight randoseru brand launched in 2003 with raised shoulder straps to reduce perceived weight.
• Guinness Lightest Randoseru - Holds Guinness World Record for the lightest randoseru, showcased at Seiban Museum Park.
• Reflective Safety Randoseru - Incorporates reflective materials and cushioned backs for child safety since the 1980s.

Reputation

SEIBAN is regarded by parents and educators for its century-long heritage in producing durable randoseru that last through elementary school. Enthusiasts praise the innovative lightweight designs and strict Made in Japan quality. Some note higher prices compared to non-Japanese alternatives, though craftsmanship justifies the cost.