Specifications Material: Breathable Punched Fabric, Foam, Rubber Color: Black Process: Hot Pressing Integrated Molding Style: Modern Product Size: 26*17cm/10.24*6.69in Inflatable Line Length: 49cm/19.29in Inflatable Ball Length: 12cm/4.72in Package Size: 30*27*0.01cm/11.81*10.63*0.004in Gross Weight: 0.15kg/0.33lbs Net Weight: 0.14kg/0.31lbs Package Included 1* Lumbar Support Airbag.