Material:glass bottle and plastic grinder Spec:6.5X13cm Capacity:170ml Ideal for milling black pepper,chinese red pepper 1)It is operated by hand 2)Easy to mill 3)It is easy and environmetnal 4)Ideal for milling pepper, chili, salt etc, 5)Grinder cap color: Black, yellow, green, red,yellow and red are available 6)Packing: packed on color box,PVC box ,cartons Glass pepper grinder