Seat cover for dining chair. Clean, simple wrap around design that fits snugly around legs with velcro. This would be simple to make by altering this DIY: http://www.athomeonthebay.com/2012/03/dining-chair-drop-cloth-slipcovers.html
Restoring a Mid-Century/Modern Dining Set - Sawdust and Embryos - how to reupholster the chairs, and also a good product to refresh the wood table. I followed these tips when I did my chairs, and they turned out great.