These cup holders are designed specifically for Adirondack chairs by Gracious Living. They are available in a variety of colours (grey, brown and red). They do not scratch and retain their hue. The cup holder has adjustable clips to fit Adirondack chairs. The support includes a drain hole to facilitate cleaning, avoid odours and mildew. They take up little space because they are stackable. The product is backed by a 1-year limited warranty.