Coffee grinder single dose hoppers is designed for more grinder models. Grinder blowing bean bin single dose hoppers capacity is 140g, cleaning and collecting the excess coffee grounds. Coffee grinder dose add to your coffee grinder, just need to the bellow, and at the same time clean the rest powder inside the gear to keep the interior clean. Grinder single dose is made of high quality silicone material, design alloy lid to make sure comfortable hand tactile impression. The grinder blowing bean bin is widely used in many occasions, and can be widely used in kitchens, homes, restaurants, coffee shops, etc. Grinder blowing bean bin single dose hoppers capacity is 140g, cleaning and collecting the excess coffee grounds. Specifications: Product Name: Coffee Grinder Blow Hopper Material: Silicone Color: Black Size: 105x84x84mm (As Picture Show) Weight: .246g Package Contents: 2 x Coffee Grinder Blow Hopper Only the above package content, other products are not included. Note: Light reflection 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.