The Pro Tapered Trough Polyresin Planter is lightweight, fade resistant, weather & impact resistant, and environmentally friendly. The Pro Series planters are constructed out of roto-molded commercial grade polyethylene. They feature a ribbed texture, and double wall design for added insulation (frost resistant up to -30^oC). Equipped with removable shelf. Available in 'Black' or 'Grey' finish. For indoor or outdoor use.