Using these Ross nesting trays is a breeze. You can use them to serve snacks and drinks at parties, or simply display them on a coffee table or shelf to add a decorative touch. When it comes to maintenance, keep them away from direct sunlight and excessive moisture to prevent damage to the wood and metal. To clean, use a soft, dry cloth. Avoid using harsh chemicals or abrasive cleaners as they may scratch the finish. And since they're pre - assembled, you don't have to worry about any complicated setup. Just take them out of the box and start using them right away!