Original Price: ¥7,980 20 balls that fit the back stimulate intricate muscles exquisitely. 【Flexible Shape】Because it's divided into two parts, you can place it on your buttocks or lie down and roll it over your back and waist. Various uses are possible. 【99cm when connected vertically】Connect them vertically and lie down to use as a reset pole or foam roller for your back and waist. 【7cm Height】Easy to use height, so even the elderly can use it with peace of mind. Also, the perfect height opens up the chest and prevents hunching and rounded shoulders! 【Exquisite elasticity unique to balls】The repulsive force is just right. 【Soft and Flexible】It can be folded in half, rolled up, and applied to the neck, with a versatile feature. 【Reversible】The front is a mesh material with a good feel. The back is a PU material that can be wiped clean easily. 【 Body Size (approx.) 】1 piece: 52cm long x 22cm wide x 7cm high, when connected vertically: 99cm long x 22cm wide x 7cm high, when connected horizontally: 52cm long x 40cm wide x 7cm high 【 Weight 】Approx. 0.6kg 【Material】Body: Polyester・PVC, Balls: EVA It's in very good condition as it has only been used a few times.