4-in-1 Effect: Waist trainer + Thigh trimmer + Arm Trimmers + Butt Lifter for both women and men. JOYUP sweat belt will definitely be your great helper in slimming down waist, thighs and arms INSTANTLY, while working as a booty lifter. Our body sweat belt will be your premium fitness enhancer constructed with advanced latex-free neoprene and nano silver coating technology, which is so much better in quality and lifespan than the traditional black neoprene.
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