GRINDED AND FILTERED: At the bottom of the funnel from which your powdered spices will fall and be packed into glass jars. There is a built- in filter in the middle section for filtering. Idling is prohibited to avoid metal friction. EASY TO USE: The 4- piece design rotates easily for easy assembly and disassembly for cleaning. Keep your spiced coffee and your grinder fresh with this sturdy grinder that wont spill at all. PERFECT SIZE: This powder grinder is small and portable, measuring 1.73 x 4.21 inch with a clean and simple design. Its perfect for you and a great gift for a friend. DESIGN: Our grinder is detachable into 4 sections, 3 of them with compartments, the top of this one is a cover with a handle, you can operate it manually. The unique grinder design is not stylish but also practical. A for grinding spices. MATERIAL: Made of aluminum alloy. Even if used every day, the same as the first day, and it does not fade at all. Assembling all materials can reduce waste.