The basic unit starts at 1.9 m long by 2.4 m wide and holds approximately 12 calves. The angled runners are treated timber with towing eyes are attached for towing behind the bike when it comes time to shift it to a new site. The base boards on the ends are raised to clear the ground and/or any sawdust pads. A flap on the back eliminates the wind or draught.

The front comes with a gate attached to enable you to lock up your stock. The shelter can also double as an extra shed for a sick cow, other animals and feed storage. The design has strong wind resistance due to its shape.

The popular unit is the double which holds approximately 24 calves and is 3.8m long.