Handy 9cm (3½") diameter x 14.5cm (5¾") length glass jar with high quality lid with integral drainage holes. Just place seeds in the jar, add water, and invert to drain. You can grow tasty microgreens and sprouting seeds on your windowsill all year round! They're very quick to grow, are packed with vitamins and minerals, and provide a wide variety of flavours. Buy 1 or 3.