
Mammamia High Stool
The Mammamia High stool by Marcello Ziliani for Opinion Ciatti raises its curved die-cast aluminum shell on a fixed steel frame.
Two heights and a rubber-covered footrest adapt the slim design to different elevated seating arrangements. Textured, polished and upholstered finishes provide varied expressions, with outdoor suitability depending on the selected version.
Every detail, considered.
- Brand
- Opinion Ciatti
- Collection
- Mammamia
- Designer
- Marcello Ziliani
- Descriptor
- Fixed-height stool with rubber-covered footrest
- Country
- Italy
- Seat height
- MAMMA H64: 25.2″ (64 cm)MAMMA H74: 29.1″ (74 cm)
- Materials
- 01Two fixed seating heights
Separate stool versions provide different elevated seating positions without a height-adjustment mechanism.
- 02Rubber-covered footrest
A covered rail between the steel legs provides a place to rest the feet.
- 03Die-cast aluminum shell
The curved seat is offered bare or with fixed fabric or leather upholstery.
The Mammamia High Stool raises a die-cast aluminum shell above a fixed steel frame.
Two separate heights adapt the seat to different elevated surfaces, and a rubber-covered footrest sits between the legs. Bare and upholstered versions offer different surface treatments, including selected hand-worked finishes. Outdoor suitability depends on the finish, with upholstered versions intended for indoor use and all versions specified as non-stackable.
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 High Stool, 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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