
Seela AC S340 Chair
The LaPalma Seela AC S340 chair by Antti Kotilainen combines an armrest shell with a raised, five-spoke aluminum base on self-braking casters.
The swivel seat adjusts from 41 to 51 cm. A polypropylene shell with replaceable seat inserts or upholstered alternatives allows different finishes, while the pyramidal base distinguishes this version within the Seela AC family.
Every detail, considered.
- Brand
- LaPalma
- Collection
- Seela
- Designer
- Antti Kotilainen
- Design year
- 2022
- Descriptor
- Height-adjustable swivel armchair with casters
- Country
- Italy
- Seat height
- 16 to 20 in (41 to 51 cm)
- Arm height
- 24 to 28 in (61 to 71 cm)
- Dimensions
- Width 23½ in · Depth 23½ in · Height 30¼ to 34¼ in (60 × 60 × 77 to 87 cm)
- Materials
- 0116 to 20 inch seat
The five-spoke swivel base changes the seating height above self-braking casters.
- 02Four-screw seat insert
Standard shells accept replaceable polypropylene, wood or fabric inserts; fully upholstered alternatives omit this removable insert.
- 03Integrated curved armrests
The polypropylene shell’s back continues around the seat to provide side supports.
The Seela AC S340 Chair combines an integrated-arm shell with a raised five-spoke aluminum base.
Antti Kotilainen designed it for LaPalma around a polypropylene shell with replaceable polypropylene, wood or fabric inserts. Fully upholstered alternatives do not use a removable insert. The swivel seat adjusts from 16 to 20 inches above self-braking casters; other family versions use different bases.
Generated by AI from the manufacturer's specifications and product data. Confirm details with your consultant before ordering.

Italian stools, chairs, tables and modular seating with light profiles and practical flexibility for home and shared spaces.
Antti Kotilainen
Antti Kotilainen established his design office in Helsinki in 1997. His practice specializes in furniture and also develops products, graphics and spatial concepts. His work examines manufacturing details and the use of wood, with collaborations including Scandinavian furniture companies as well as Knoll and Arper.
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Make sure it fits. Then make it yours.
Before you commit to the Seela AC S340 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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