Are you looking for a espresso dosing ring？ If you are looking for a professional and coffee dosing funnel, then your research is over here. That's because our product can meet your need. Adopted of plastic material, it is practical and for long time use. It is not easy to get deformed and bring you much convenience. Features -Color:White -Material:Plastic -Size:8.00X6.30X3.50cm/3.14X2.48X1.38in -Note:150ml for 3-person. Inner diameter: 5cm - Transparent material for clear visibility of powder level. Compatible with both single and double valve coffee pots. - Anti-scatter powder design to prevent powder from flying around. Powder filling design for easy and quick use. - The dosing funnel ring is manufactured with professional technology to details and can work for a long time. - The dosing ring can improve the stability and effectively prevent powder spreading. Give you more convenience. - workmanship, reasonable structure, this funnel ring is professional and practical, can bring you convenience. Package list: 1 x coffee dosing ring