Based on this product's specifications, here are some alternatives and similar models
Lever arch file LEITZ Active Style 180° A4 Polyfoam 80mm spine Black
Summary description:
LEITZ lever arch file Active Style with 180° opening, designed for A4 documents. Made of polyfoam with an 80 mm spine capacity, it measures 312 × 82 × 318 mm and comes in black. Features a practical lever mechanism for easy filing and access; suitable for office, home paperwork, archiving and document storage. Pack quantity: 1.