specification: Condition:100% Brand New _x000D_Item Type: Back Massage Stretcher_x000D_Material: ABS_x000D_Optional Color: Black Blue, Black Green, Black Purple, White Blue, White Green, White Purple_x000D_GearsFrom the groundSuitable for_x000D_1st Gear7cm / 2.8inBeginner_x000D_2nd Gear9cm / 3.5inIntermediate people_x000D_3rd Gear11cm / 4.3inAdvanced people Features: 1It is ergonomically designed to fit the natural curve of the human body. 2Traction spine curve design, close to the spine, help you sit upright. 3This product helps you to easily relieve lumbar spine problems anytime and anywhere while lying down. 4The environmentally friendly material is more reliable, and the lumbar traction device can bear 100KG without breaking. 5There are 8 massage points, which can press different parts of the body. 6It can be adjusted in three levels, suitable for general use by all people. PackageList: 1 x_x000D__x000D_BackMassageStretcher 1 x Base 1 x Foam Pad