This garland 3 and 4 seater bench cover in black is made from strong woven polyethylene material so it will provide full uv protection against the sun for longer life this cover will provide full weather protection with its waterproof taped seams and all round airflow vent for reduced condensation protect your furniture from bird droppings tree sap and pollution with the wipe clean surfaces and all round draw string bottom with cord locks for added security please note do not leave your cus