With help of this coffee grinder hopper, you can maximally blow out the residual coffee grounds, and at the same time clean the residual powder inside the teeth to keep the interior clean. It is a great addition to any coffee machine. By the advantages of eco-friendly, food grade, BPA free, reusable and clean easily, this press type coffee grinder hopper could be your top choice for cleaning your precious coffee grinder machine. It is made of high-quality aluminum alloy and silicone material. The length of this product is 8.3cm and width is 12cm. This product is perfectly suitable for MAZZER mini A, for MAZZER mini B, for MAZZER mini filter, for MAZZER mini doser. Item Name: Coffee Grinder Hopper Material: Aluminum alloy, Silicone Features: Universal, Food Grade, Clean Easily Size Details: 8.3cm x 12cm/3.27" x 4.72" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Coffee Grinder Hopper(Others Not Included)