Ankomn Turn N Seal Vacuum Canister Pesado It can be used to Product:F1 10K It can be used to press ground coffee into your ROK Espresso Maker’s’ portafilter which is an essential step in making the process of brewing delicious espressos and the tamper will help you get every drop of espresso and added crema from your ROK and it should be on the wish list of every ROK brewer designed to be ergonomic for when pouring with a thumb rest Turn N Seal locks in the flavor and freshness of any food 4L Container Vessel Capacities 250g 450g 5400g 870g Diameter 100mm 100mm 145mm 145mm Height 125mm 195mm 140mm 185mm Weight 255g 320g 480g 530g Materials BPA Free Plastics – Silicone Seal