This square planter box comes fully assembled and ready to plant; just add dirt and plants. Made with the highest quality PVC vinyl, this planter is completely maintenance free. The high quality PVC vinyl contains the highest concentration of titanium dioxide for the strongest UV sunlight protection. All DuraTrel products are backed with a 20-year warranty, ensuring the planter box will never delaminate, crack, peel, fade or discolor in any way. Once installed in your yard, the only maintenance ever needed is a simple spray with a garden hose and wipe clean. Made in the USA. Comes already assembled.