
Mammamia Chair
The Mammamia chair collection by Marcello Ziliani for Opinion Ciatti pairs a curved die-cast aluminum shell with a slender steel structure.
Four-leg and sled bases, armrest options and upholstered versions give the design several forms. Selected unupholstered versions stack and suit outdoor use; upholstered and metal-leaf versions bring their softer or reflective finishes to interior settings.
Every detail, considered.
- Brand
- Opinion Ciatti
- Collection
- Mammamia
- Designer
- Marcello Ziliani
- Descriptor
- Aluminum-shell chair with steel frame
- Country
- Italy
- Seat height
- 17.3″ (44 cm)
- Arm height
- 26.4″ (67 cm)
- Materials
- 01Die-cast aluminum shell
The curved seat and back form a continuous shell above the supporting frame.
- 02Separate base and arm formats
Four-leg and sled frames come in selected armrest and stacking versions.
- 03Cover-dependent use conditions
Selected bare versions suit outdoor use, while upholstered and metal-leaf versions are intended for interiors.
The Mammamia Chair combines a die-cast aluminum shell with a slender steel frame.
Four-leg and sled bases, armrest options and fabric or leather upholstery provide different versions of the same curved form. Selected unupholstered models stack and suit outdoor placement, with some hand-worked finish options. Upholstered versions have fixed covers and do not stack, while metal-leaf finishes are also specified for interiors.
Generated by AI from the manufacturer's specifications and product data. Confirm details with your consultant before ordering.

Expressive Italian furniture and objects from Florence, including Ptolomeo bookcases and sculptural pieces that give everyday functions a distinct identity.
Marcello Ziliani
Marcello Ziliani graduated in architecture from the Politecnico di Milano in 1988, studying with Achille Castiglioni. His practice includes furniture, lighting, bathroom and office products. He also works on exhibition and theater design, graphics and art direction, connecting individual products with their presentation and setting.
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Make sure it fits. Then make it yours.
Before you commit to the Mammamia Chair, our studio checks it against your space and walks you through every finish it comes in.
- Footprint checked against your floor planPlus doorways, stairs and clearances
- Leather, fabric and colour chosen with youand more, in the showroom
- We manage the order for youFrom the factory to your door
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