Made of plastic, and , sturdy designed with raised center helps eliminate stagnant water This flower pots have holes in the bottom and on the sides to increase drainage Size: 5 inches on the top outer diameter, inner diameter 4 inches, 2.76 inches diameter at the bottom, 7.5 inches Height Clear pots allow to control the well-being of the planter , promotes great drainage, humidity and aeration, clear plastic allows light and air into Ideal for Orchids and other plants that require sunlight and air to their . colour:transparent material:plastic size: high 19.5cm, bottom diameter 7cm, mouth outer diameter 12.8cm, mouth inner diameter 10cm Package Contents: 8 x Orchid Pots Only the above package content, other products are not included. Note: Light 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.