Features: Brand new and high quality Silicone steam rings suitable for EC685/EC680/EC850/EC860/EC820 coffee machine etc. Made of high-quality silicone material, which is safe and durable, non-toxic, flexible and safe to use, more resistant to high temperatures than ordinary rubber seals, and has a longer service life. Soft silicone fits very easily into grooves resulting in a tight and secure fit that seals to ensure no moisture escapes while minimizing the necessary change frequency. The silicone coffee machine brewing head gasket is exquisite in workmanship, fits perfectly and is well detailed. Recommended to replace the silicone rings for three months, long-term use age, resulting in a decrease in air tightness, the extraction of coffee liquid flows from the side, the use of a long time will be yellowed with dirt, need to be updated to ensure ease of use. Specifications: Material:Silicone Type:2Pcs/4Pcs Dia:Approx.59mm/2.32inches Package Includes: 2 Optional Package: Pacakge 1 Include:2Pcs Silicone Gasket Pacakge 2 Include:4Pcs Silicone Gasket note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.