Base weight: 30kgs
Material for rope:Steel
Style:Square
Material for base: Stainless steel frame with core
Product description: 66LBS Coated Steel Concrete Filled Base
Base weight: 21kgs
Material for rope:Steel
Style:Round
Material for base: Polyethylene
Product description: You can buy resin round umbrella base,half resin round umbrella base from http://www.buyumbrellabase.com