Square Stackable Colander, 7.5 x 8 x 4.5" / 19 x 20.5 x 11,5 cm, green, plastic. An updated version of the successful square colander is now shaped to be stackable and more space efficient. This one-handed colander lets you have one hand free for operating the tap. Square corners make emptying rinsed food much easier and big, vertical holes allow liquids to drain away quickly and efficiently. Dishwasher safe.