Material: ABS 。Model: seed germination cover sieve filter 。Size: 9 cm in diameter，,8 cm high 。Applicable Mason tank screw size 8.6cmfeature:100% new high qualityThis sprouting lid is made of stainless steel. It is easy to use and has a long service life.Precise design will ensure its practicality in high performance work. They are ideal for making organic germ seeds at home or in the kitchen.1 PC seed plant germination cover sieve filterPlease allow slight dimension difference due to different manual measurement.