This is a 23ml Paint Mixing Jar from Tamiya.

FEATURES: An empty glass jar with a transparent screw-on lid. 5, 10, 15, 20 markings on the side in white. The Tamiya logo in white.

INCLUDES: One Paint Mixing Jar

SPECS: Volume: 23ml kr10/31/01 ir/kh  

BOX DIMENSIONS: 1.50" W. X 1.50" H. X 2.00" L. BOX WEIGHT: .12 LBS.