4D PU Massage Insole Set with Back Posture Corrector & Lumbar Stretch Support Brace Size:37-38 20 µV(peak-peak value) deflected sinusoidal

20 µV(peak-peak value) deflected sinusoidal signal can be detected

Applicable gift-giving relationship: Junior

220x42cm powder

Specification: Mail order box

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4D PU Massage Insole Set with Back Posture Corrector & Lumbar Stretch Support Brace Size:37-38 20 µV(peak-peak value) deflected sinusoidalProduct information: Color: black, gray, whiteSize: 3536, 3738, 3940, 4142, 4344, 4546Applicable gender: unisex (suitable for both men and women)Style: full length insoleMaterial: PUSuitable seasons: summer, winter, spring, autumn. Packing list: 1 pair of insoles (variable sizes) + 1 back correction strap (fixed size) + 1 massage corrector (fixed size) Note: Size selection is based on the insole size only. The included massage corrector and back