Size: 20 * 15 * 12
Number of holes:55 holes
Layers: Single
Insulation material: plastic (ABS)
Insulation thickness: General
Reinforcing material: composite base - See more at: http://www.ewallpk.com/home/1292-7pcs-mini-25-tie-point-breadboard-solderless-prototype-test-board.html#sthash.Hm8JQc01.dpuf