Crafted of resin and natural materials, our Sussex Frost-Proof Resin Planters include a bottom water reservoir that helps established, well-rooted plants get the water they need to stay beautiful and healthy.Frost-proof, four-season resin composite planters have the look of copper and are practical and durable, for use indoors and out. Use our Sussex Frost-Proof Resin Planters to add easy-care greenery to doorways, patio, deck or yard. They offer an expensive look at an affordable price.