1. It fits most pools with a round top bar of 2 inches or less, not square top bars or round top bars than 2 inches. 2. The pool cup holder is made of sturdy plastic and will retain its color for a long time. 3. It's a hot summer day and you're relaxing in the water, use these pool cupholders to keep your favorite soda, or drink by the pool and avoid leaving the water or holding your drink while you swim. 4. Poolside cup holders are perfect for summer escapes, , pools, etc.; in addition to drinks, you can also put sunglasses, toys, cups, wine, sunscreen, etc. Colour:blue Material:plastic Package Contents: 4 x Cup Holders Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.