iwicker 10' x 13' aluminum patio retractable pergola with uv-block canopy, grey iwicker simply slide the adjustable top back and forth to suit your comfort level with iwicker pergolas. they are not only a beautiful addition to your house but also will create an oasis to your living space. the retractable canopy is made of 100% solution dyed polyester fabric which is fade resistant and harmful uv blocking. and you can slide the canopy smoothly and easily with the inside pulley to adjust the sun shade according to your needs. featuring powder-coated finished aluminum frame which provides a solid and durable structure to ensure stability and durability, offering a long time service. our high quality patio pergolas are suitable for use all season. devoted to create a cozy nook which full of relaxed ambience for you.