Color version of 'Shorui Mamoru-kun' 0.5mm-thick A4 clear file launched by BELLEMOND.

BELLEMOND, a brand of Fun Standard Co., Ltd. (RKB Mainichi Holdings Group, HQ: Onojo City, Fukuoka), released the A4 Color Type (5-color set/single color 5-piece set) of 'Shorui Mamoru-kun' in May 2026. This product is designed to solve the common issue of documents and collectibles (like prints and movie pamphlets) bending or getting damaged inside bags. Key Features: 1. Unmatched Rigid Protection: Made of 0.5mm PP material, which is 2.5 times thicker than standard 0.2mm clear files. It is rigid enough to remain upright and serve as a writing board while standing. 2. Semi-transparent Matte Colors: Available in 5 colors (purple, blue, green, yellow, red), perfect for sorting documents or matching idol/character theme colors. The matte finish resists fingerprints and scratches. 3. User-friendly Design: Features rounded corners to prevent scratching hands or bags, and a large side notch for smooth document insertion and removal. The products are sold at the brand's official Amazon and Rakuten stores for 1,198 yen (tax included as of June 3, 2026).