My friend has this product and loves it, so I bought mine after seeing how nice her's was.  When I assembled mine one of the 2 gas springs was defective.  I emailed customer service from the Lifetime website and told them the situation.  The were immediately responsive and helpful.  They shipped a replacement part at no cost and it arrived quickly.  I installed it and the box works perfectly.  I am very happy with this company and their quality products.  5 stars!!