Located in California USA, Fast Shipping & Delivery to US Continental Delivery: Free Standard Shipping, No shipping available to AK, HI, or PR Material: Made of durable cast resin with an anti-rust primer, aging resistance, wear-resistant, anti ultraviolet strong, permanently not corroded. Easy to assemble: Equipped with adjustable piston, can be adjusted according to the thickness of the umbrella pole. Pole Diameter Range: φ1.53" - 1.92". Applicable: Family, villa, hotel, terrace, balcony, resort, water park, barbecue bar, western restaurant, beauty salon, outdoor leisure area, company leisure area, etc.