Big Grindenstein is double the volume of the original Grindenstein, making it perfect for use in offices and semi-commercial settings while still being compact enough to fit in your dishwasher for easy cleaning. A patented shock-absorbing design and solid steel core make Big Grindenstein tough as nails and able to take a lifetime of constant beatings. Big Grindenstein's non-slip rubber base combined with its thick and extremely durable rubber sleeve to protect your group handle, absorb the striking force and make it quiet to use. Every Big Grindenstein comes with an information booklet filled with great ideas on how to recycle the collected coffee grinds as a fantastic natural fertilizer for the garden. Dishwasher safe.