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Hale PET Felt Stack Chair Designed by Ivan Kasner + De Vorm


The design of Hale was inspired by the classic school chair. Simple, functional, no-nonsense. These principles are not only reflected in the way it looks, but also in how it’s made. The seat and the back of the chair are produced from PET Felt, recycled plastic bottles. This technology brought many traditional production steps to one smart 3D pressing technique. Hale is the outcome of De Vorm’s collaboration with Ivan Kasner. The shared values resulted in a product that is beautiful in its simplicity. Its fully customisable design allows for a wide range of applications in interior projects. The frame is made from 78.8% recycled steel content, further enhancing its sustainable profile.
Mockup Configurator Hale chair

Hale chair is fully customisable

Go ahead and create your own Hale. The seat and the back are available in eleven unique PET Felt blends. Choose any RAL colour for the frame to complement the look. Seat upholstery is also available as a custom option. When equipped with armrests, the chair can be easily suspended from any tabletop. Curiosity triggered? Let’s play!

Open configurator                      
Select version

Select version

Choose out of 11 PET Felt blends

Choose out of 11 PET Felt blends

Customise frame colour

Customise frame colour

Add seat upholstery

Add seat upholstery


PET Felt colour blends


Hale chair in projects

We are always curious to see how our products work in completed interiors. Have you spotted the Hale chair in any project? We’d love to know, reach out to us!

Designed by Ivan Kasner + De Vorm

Hale is the outcome of De Vorm’s collaboration with Ivan Kasner. Ivan Kasner is an Amsterdam-based designer and the founder of Ivan Kasner Studio. His approach is based on the idea that each generation deserves its own decor: products enabling people to feel at home in their own time. Together with a team of creatives, Ivan works for different international well-known brands within the world of product- and interior design.

PET Felt Technology: From Bottle to Chair

The seat and back of Hale chair are made from PET Felt - a sustainable and durable material manufactured from recycled plastic bottles.

PET Felt is a soft, though strong material with a great acoustic performance. It is both recycled and recyclable. With Hale, De Vorm took another step forward in this technology, turning the previous three-stage process into a single moulding action. The new approach allows pressing PET Felt into any imaginable ready-to-assemble form with distinction in thickness. Granting Hale chair its elegant curves, ergonomic shape and soft texture. 



  • Seat and back
    PET Felt
  • Frame
    Powder-coated steel
  • Upholstery
    Fabric + high-resilience foam

PET Felt


Technical details

  • Weight
    5 kg 
  • Seat depth
    44 cm


  • BS 5852: 2006
    ANSI-BIFMA X5.1-2017



  • Seat and backrest
    Yellow, Pink, Marine, Turquoise, Dark Green, Green, Dark Grey, Olive, Beige, Light Grey, Brown*

    *Due to the recycled content of the PET felt, minor colour differences may occur. 
  • Frame
    Standard: RAL 9011 (Black) / RAL 9010 (White)
    Custom: any RAL colour
    Fine texture: RAL 1012 (Yellow PET), RAL 3005 (Pink PET), RAL 5008 (Marine PET), RAL 5020 (Turquoise PET), RAL 6007 (Dark Green PET), RAL 6020 (Green PET), RAL 7015 (Dark Grey PET), RAL 7033 (Olive PET), RAL 7044 (Beige PET), RAL 7045 (Light Grey PET), RAL 8014 (Brown PET), RAL 9011 (Graphite Black)
  • Upholstery

Hi-Res images


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Customise Hale

open Configurator