Muji's double ruler, stainless steel wire pen holder, and transparent sticky notes that can be read as they are attached -- 3 recommended stationery items [enuchi.com]
Muji Pp Pen Case - Etsy
Aluminum Pen Case | Desk Organization | MUJI USA
Polypropylene Pen Case | Stationery | MUJI USA
Muji Pen Holder - Gridfinity by Shorttravis | Download free STL model | Printables.com
MUJI PP Pencil Case — A Lot Mall
MUJI Style Organizer – Miu Stationery & Gifts
Polypropylene Pen Case — MUJI USA
MUJI pen case, pen holder, file box with handle, Hobbies & Toys, Stationery & Craft, Stationery & School Supplies on Carousell