Designers Guild Cassia Denim & Zinc Velvet Decorative Pillow. Our best-selling Cassia velvet a lustrous and luxurious plain velvet decorative pillow in denim. Co-ordinating with a zinc reverse and edged with an elegant satin trim on two sides. This luxurious decorative pillow adds warmth and comfort to any setting. To Clean your Designers Guild Throw Pillow: Dry Clean Only. Designers Guild Decorative Pillows are ideal sofa pillows, bed pillows and chair pillows. Throw pillows for every room in your beautiful home interiors scheme. Luxury Throw Pillows Collection.