Get a watertight planter box that is heavy-duty, yet lightweight, with the Modern Tapered Rectangle Planters. Constructed out of durable fiberglass, this outdoor commercial planter is an all-weather container that will not warp, crack, split or rot, even when exposed to extreme temperatures and moisture. In addition to the 72"L x 18"W x 18"H fiberglass planter size, Planters Unlimited can offer custom length, width, height and taper measurements. This includes large tree containers measuring up to 20-feet or more. Order with or without pre-drilled drainage holes and choose from 23 colors and 4 finishes, including smooth and textured options. Rolling casters and false bottoms are available to add on (price increase applies). This style also has trash receptacle options. Please call toll free for custom orders and accessories.