I purchased this last year and have lost the original case. Here is the product description: Product Name: Izayoi-zakura (Sixteen-Day-Old Cherry Blossoms) Type: Manual-open long umbrella Weight: Approximately 460g Center Shaft: φ10mm aluminum Effective Diameter: 98cm Ribs: φ3mm, 58cm (FRP), 16 ribs Folded Length: Approximately 87cm Handle: Cherry (natural wood), curved shape (cherry wood tip) Main Body: Polyolefin multi-layer film Bias Tape: 100% Polyester Color: NV (Navy) Bias Tape: 100% Polyester Features: Patented "Reverse Valve" mechanism (structure to release wind from inside the umbrella to the outside)