Clean your espresso machine] Keeping your espresso machine clean is essential to get the best espresso every time. The blowback disc is an effective solution to help you maintain the best coffee flow. [Original design] There is a small hole in the middle of this cleaning plate, which can be rinsed with water during use. [Easy to use] Follow the instructions in our pictures or search for "clean coffee machine" on to find instructions to easily understand how to use it. Put it in the filter and run a few cycles [3 packs] Our cleaning discs are three packs, made of high-quality silicone material, safe and harmless, and can be reused, saving you money. size:54MM Material:Silica gel colour:Black Package Contents: 3 x Clean the gasket Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.