Made of wheat fiber, rice husk fiber and other biological materials. Cute shape, durable and easy to clean.Specifications: Color: Yellow Material: wheat straw Size: 14*12.5cm/5.51*4.92" Uses: home grindingNotes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement.