-Package including 1 Square Umbrella Base 1 Dust-proof Cover 2 Sandbag and 1 Instruction -Powder-coated metal frame is sturdy not easy to deform and bend -Wear-resistant and durable oxford sandbag has a capacity of 200 lbs -Weighted base with 2 sandbags provides stable support -Adjustable knob help it match with 1.9" umbrella poles -Compatible with a variety of outdoor umbrellas up to 15ft -Removable cover protect the umbrella base against dust and rain -Metal hooks prevent the cover from slippi