Based on this product's specifications, here are some alternatives and similar models
Pencil Case BT21 Kokobako two-piece stationery pouch (brand: BT21, MPN 636838)
Summary description:
Two-piece BT21 Kokobako pencil case designed for storing stationery and writing tools. This compact pouch set includes two connected compartments to separate pens, pencils, erasers and small accessories. Suitable for school, office or travel, it helps organize supplies and protect items from damage while keeping frequently used tools accessible.