MonoMaster March 2026 issue includes a free 7-piece Moomin tree spirit keychain and storage bag set.

MonoMaster March 2026 issue includes a 7-piece set of Moomin tree spirit stress-relieving keychains and multi-purpose storage bags.

The March 2026 issue of the Japanese lifestyle magazine MonoMaster has been officially released. This issue includes a deluxe 7-piece set exclusively in collaboration with Moomin, featuring a 3D stress-relieving keychain with the popular Hattifatteners character, and four multi-purpose zippered pouches that can transform into a shoulder bag.

Included with the book: Moomin Super Deluxe 7-Piece Set

1. Hattifatteners (Tree Spirit) Stress-Relieving 3D Keychain (1 piece)
Made of a soft, elastic material, it can be squeezed and kneaded as a stress-relieving toy. It is about 11cm tall, has a great feel, and a therapeutic design.

2. Four types of multi-purpose zippered storage bags in four different sizes (4 bags)
These zip-lock plastic bags, featuring illustrations from the original Moomin novels, come in four sizes: large (19.5x25.5cm), medium (16.5x16.5cm), small (10x12.2cm), and rectangular (21x12cm). They can be used to organize various items such as cards, banknotes, concert tickets, passports, and mobile phones, replacing bulky wallets.

3. One shoulder strap and one mobile phone holder (each)
The set includes a shoulder strap approximately 160cm long and a phone case charm. The strap can be attached to a zippered pocket, phone charm, or keychain to instantly create a practical and lightweight shoulder bag or crossbody phone strap.

Product Specifications

Magazine Title: MonoMaster (モノマスター) March 2026 Issue
Publisher: Takarajimasha
Release Date: January 23, 2026

*Note: In addition to the 7-piece set appendix mentioned above, other props used in the photos, such as banknotes and mobile phones, are not included.