DuPont Tyvek 22750 Adirondack White Chair Cover, 40-Inch W by 37-Inch D by 41-Inch H Dupont tyvek chair cover (dimensions: 40-inch w by 37-inch d by 41-inch h) Nonwoven waterproof protective fabric with microscopic pores that allows moisture to evaporate Attachment system: u shaped hook/bungee system (set of 6) to secure cover Lightweight, breathable, strong, durable and long lasting Storage pouch included, 7 year limited warranty