This trailer is perfect for that price!

Very good value, easy assembly despite some pieces sometimes difficult to follow suit (I have struggled to assemble the bumper and above the left side bar of the handle because Jogger small burrs on the plastic, but nothing insurmountable).
-most:
Very good price / quality ratio
Allow simple and easy to use
Folding trailer fast
Good quality assembly
The rear boot is very convenient

-Cons:
Some plastics and metals processing defects = not cause problems mounting
Forget announced 30Kg because it perfectly and only suitable to children between 1 year and 3 years (3 years maximum wide 1/2)
Be careful if you own an ATV Sport great brand, part of the bottom of the attachment welds and quick clamping of the axis of the wheel can be problematic to ask the trailer hitch.