Designers Guild Brera Arte Cobalt Decorative Pillow. This rectangular linen decorative pillow features a spray printed stripe. created using an artisanal production technique to create a unique. varied effect. Tones of indigo. cobalt blue and emerald green are printed onto our signature 100% linen. Brera Lino with a sublime tumbled finish. Due to the specialist print method. placement of the stripes will vary. creating unique one-off pieces for a striking statement in your interior scheme.