Non-Tilting Umbrella - Brass Fittings & Rivets - Umbrella is made with vents - Indonesian Hardwood Frame - Heavy Resin Runner & Notch - 1 1/8 inch x 3/4 inch Thick Ribs & Stretchers - Heavy Gauge Rope, Pulley & Pully Wheels - Sunbrella 9oz Awning/Marine Grade Fabric.