A gorgeous set of Cedar Planter boxes for you window, porch, balcony or deck. Cedar wood is the top choice for gardeners because it is moisture and rot resistant, giving durability and longevity to planters for 10-15 years. The wooden planter rails are designed to fit into standard 2 x 4" rails (3.5' true size). Linseed oil is recommended by experienced gardeners to seal the wood and extend the life of the pot. A plastic liner is included to expand planter lifespan.