There are several options available for the Small Round Pet Bed. The first choice is the Sunbrella¨ Marine Solid color selection. This may be used on the entire piece. Option two; Choose 2 Sunbrella¨ Marine Solid colors using one color for the top/bottom and a different solid color on the side. Option three; create a piece using any Sunbrella¨ Marine solid color on the side and any one of our Sunbrella¨ Stripes on the top/bottom. What is welt? Welt is the material covered reinforced piping that joins the top material and the side material. The welt color may be changed to any of the Sunbrella¨ Marine solid colors for a 10% upcharge. Changing the welt color can give your piece a very distinctive look and really shows the design lines of the piece to give it that extra WOW!