Any Kelty brand tent, including Kelty discovery dome four tent, is made with perfection and proper research. Hence, these tents last for a long time and do not give you a chance to complain. This means you can continue using your tent for years. But, the shelf life often is dependent on the user and using frequency. With proper maintenance and upkeep, a tent can last for decades. Seasonal maintenance is enough for extending the shelf life of your tent. You can connect to the seller for some guidance.