This is manual measurement, there are 1-2cm error, measurement unit is cm
Specifications: 58cm(22.84in) * 8K
Stretch length: 63cm(24.80in)
Closed length: 34.5cm(13.58in)
Diameter: 102cm(40.16in)
Weight: around 389 grams(0.86lb)
Fabric: pongee cloth
Skeleton: steel + fiberglass
Handle: wooden