Package contains 5 protoboards. Boards are single sided. Holes are drilled through, and one side is plated for soldering. Each board is 13.3x4.8cm for external dimensions. The boards have internal connections to make them similar to breadboards. The rails on the sides are connected as a single line with a split in the middle. The interior lines are connected perpendicular in groups of 5. The center has another set of connections similar to the rails. You should be able to see this from the images.
Condition is "New". Shipped with USPS First Class.