Features: Heavy duty, easy to assemble, 4 types for you to choose. Design with drawer type water storage tray at bottom, you can take it out and pour for extra water. The flowerpot tray edge is heightened to prevent the water from overflow and leak onto the floor. 360 degree rotatable universal wheel design to increases the mobility of flowerpots, saving your for time and effort. Widely used indoors and outdoors to move garden flower pots, heavy plants, large potted trees, large vases to protect your floor from wear and tear. Specifications: Material: Plastic Type and Size: A: Approx. 20.3cm/7.99in(Inner Diameter), 23cm/9.06in(Outer Diameter), 7.2cm/2.83in(Height) B: Approx. 26.3cm/10.3in(Inner Diameter), 24cm/9.44in(Outer Diameter), 7.5cm/2.95in(Height) C: Approx. 20.3cm/7.99in(Inner Diameter), 22.8cm/8.98in(Outer Diameter), 6.8cm/2.68in(Height) D: Approx. 23.6cm/9.29in(Inner Diameter), 26cm/10.24in(Outer Diameter), 7.1cm/2.80in(Height) Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Before buying the tray, you need to measure the diameter of the bottom of the flowerpot, which can be used when it is less than the inner diameter of the tray by 2cm. Package includes: 1 Set Flower Pot Tray