21-inch * 8K self-opening 10mm electroplated iron center rod groove rack, double cut,
with three fingerprint straight umbrella heads, wooden tail

27-inch * 8K hand-opened 14mm electroplated aluminum center pole with fiberglass ribs, double-cut  4.0 fiberglass long ribs, equipped with rubber-coated straight umbrella tip (the tip can be laser-etched with a logo)

27-inch * 8K automatic opening electroplated large spring umbrella ribs,
14mm electroplated aluminum middle rod,
double cut, 3.0 fiberglass long ribs,
electroplated steel channel spring short ribs + electroplated ingot button,
equipped with anti-slip electroplated umbrella tip, with iron tail

23-inch, 27-inch, 30-inch * 8K true double-layer middle switch all-fiber umbrella frame
Uses reinforced ribs with a 4.0mm diameter for enhanced wind resistance
Double-layer canopy provides superior water and UV protection