Roest Horizontal Pendant Lamp by GrayPants. The Roest collection bends the norm with its unpretentious simplicity, in which the design has met no equal. Nature’s reaction between iron, oxygen, water and time. Designed by VanJoost and hand-made in Holland, Roest presents natural colors in unusual settings. For use in dry location. After the natural oxidation process, all items are treated to stop further rusting. The material will not come off of stain. Roest Horizontal Pendant Lamp by GrayPants is designed by VanJoost.