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LJ 2 PET Felt Stack Chair Designed by Laurens van Wieringen


A no-nonsense chair that guarantees maximum comfort. LJ 2 is characterised by its functional design and a slim look. The chair provides an ergonomically curved seat and back support. Made from PET Felt and recycled steel, LJ 2 is a durable and sustainable piece of furniture. It is also stackable and easy to move around. The fully customisable design makes LJ 2 a universal chair for commercial interiors. 
Mockup Configurator LJ 2

Endless bespoke options

LJ 2 stack chair is fully customisable. Choose from eleven unique PET Felt colour blends for the seat. Combine it with a frame in any preferred RAL colour. The upholstered seat is also available as a custom option. 

Open configurator                      
Select version

Select version

Choose from 11 PET Felt blends

Choose from 11 PET Felt blends

Customise frame colour

Customise frame colour

Add seat upholstery

Add seat upholstery


PET Felt colour blends


LJ 2 stack chair in projects

We are delighted to see our LJ 2 in so many beautiful projects. Spot the chair popping up in all kinds of imaginable ways,  such as the Nike European headquarters, the sustainable energy supplier Greenchoice and international high-tech company TMC Group. Have you seen it anywhere else? Please don't hesitate to let us know!

Designed by Laurens van Wieringen

Laurens van Wieringen is the Amsterdam-based designer, who runs his own studio since 2013. Working in various branches, he specializes in product and interior design. Laurens van Wieringen applies smart solutions and techniques from several fields to achieve the exceptional quality of his designs. Together with De Vorm, Laurens developed several successful product series - LJ chairs, Florian and LW lamps.

PET Felt technology: from bottle to chair

In our design and production processes, we are always looking at where environmental thinking and economic improvement intersect, resulting in minimal waste. The way we utilise PET emphasizes this vision. 

The seat of the LJ 2 is made from recycled plastic bottles. PET Felt technology transforms the labour-intensive production into a single smart 3D pressing technique. PET Felt is recycled and recyclable, offering great comfort and sustainability.
De Vorm icons website PET bottles2
De Vorm icons website Recycle2
De Vorm icons website Customisable design2
De Vorm icons website Easy to clean2



  • Shell
    PET Felt
  • Frame
    Powder-coated steel
  • Cushion (optional)
    Fabric + high-resilience foam

Technical details

  • Weight
    5.5 kg
  • Seat depth
    42 cm
  • Standard frame colours
    RAL 9011 (Black) / RAL 9010 (White)
  • Upholstery (optional)

PET Felt

  • Martindale
  • Pilling
  • Care & Maintenance
    Please see our Care & Maintenance Guide here

Hi-Res images


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Configure this chair

Open configurator