Made of pleasant material, durable and reasonable to use. Exquisite and delicate, extremely matched with kit This O ring is located two times in the for Delonghi brewing unit and as soon as at the brewing piston. Model compatibility for EAM, for ESAM, for ECAM, for Prima Dona, for Perfecta, for ETAM For Delonghi brewing unit just like the plunger Suitable for Delonghi coffee machines, and prefer devices of an identical construction. Part number:5332149100 Colour:Red Material:Silica gel Size:Diameter 36mm;width 4 Package Contents: 10 * sealing ring Only the above equipment content, various products should not included. Note: Light reflection and varied reveals could cause the colour of the thing within the photograph slightly different from the real thing. The length allowed error is +/- 1-3cm.