Flexible and light bookshelf or display cabinet in recycable expanded polypropylene, Opus Incertum can be a multi-functional dividing wall if put one close or upon the other.‎ 100% recyclable materials.‎ MATERIALS AND FINISHES Expanded polypropylene.‎ Carryng capacity: 50 Kg (1 Opus); 25 Kg (2 Opus stacked)