It is strong and sturdy, and tucks away on the drip tray of your espresso machine for space-saving storage.Shock absorbing design with a non-slip base prevent shifting during using.The item helps prevents coffee grounds from splashing all around.It can be used in coffee shop, restaurant, bar and more.Item Name: Coffee Knock BoxMaterial: ABSFeatures: Easy to Use, Coffee Machine Accessory, Wide ApplicationSize: 11cm x 10.5cm/4.33" x 4.13" (Approx.)Notes:Due to the light and screen setting difference, the itemand39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Coffee Knock Box Note: 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.