Material: Acrylic, - Desc: the finish color selected for the pole. Single, sewn-in vent and storage ties are standard. Custom top options include double vent, valance, alternating panels, trim, banding and logos. Standard tops are made of marine or furniture grade, solution dyed acrylic. Tops are also available in COM. Pulley & Pin lift is available in place of Push Up & Pin. When ordering change the end of the model number from PU to PP. Base not included Base not included. - Riva - 7.5' Square Umbrella - 7SQRPP-A-4602