Nika and smiling Chris Cuomo wearing GYM IN A BOX smart fitness technology — One Looks Good. One Does More.

PATENTED TONEUP15® STIMFIT TECHNOLOGY

ACTIVATE MUSCLE. TONE YOUR BODY. REJUVENATE YOUR SKIN.

15-minute wearable fitness & beauty technology. No gym required.

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GYM IN A BOX trust badges: As Seen on TV, U.S. Patented, German Engineered, Ships from Beverly Hills, U.S.-Based Inventory and Support

30-DAY RETURNS ON REGULAR-PRICE ITEMS SHOP NOW, PAY LATER WITH INTEREST-FREE INSTALLMENTS.

AS SEEN ON & IN
Holistic Life Magazine
Los Angeles Times
Women's Health
Men's Health
GQ
CUOMO
NewsNation
QVC
L.A. STYLE Magazine
Glamour
InStyle
Shape
SELF
5-IN-1 FULL BODY ULTRA MUSCLE BOOSTER KIT — $199
ACTIVATE YOUR WHOLE BODY. 15 MINUTES A DAY.

Five wireless pieces — a core belt plus arm, thigh and calf wraps — that activate your whole body, 15 minutes a day.

FREE SHIPPING

Shop now, pay later — interest-free installments available at checkout

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WHAT'S IN THE BOX

1 core belt
2 arm/thigh wraps
2 arm/calf wraps
Wireless controllers with displays
18 activation pads

GYM IN A BOX - One looks good. One does more. Chris Cuomo wearing the GYM IN A BOX suit with PowerBox and woman wearing the MagicTone StimFitBelt

Smart Technology. Powerful Daily Routines.

THE ORIGINAL SINCE 2015 — TRUST THE INNOVATOR

GYM IN A BOX® pioneered wearable fitness technology with patented ToneUp15® StimFit Technology. Our portable fitness, beauty and recovery systems support targeted muscle activation and convenient self-care in as little as 15 minutes a day.

Workout smarter. Not harder.

Shop our Customer's Favorites

Start with the GYM IN A BOX® products our customers choose most.
Save $90.00
5-in-1 Full Body ULTRA Muscle Booster Kit
Gym In A Box®
$289.00 $199.00
Save $160.00
MagicTone StimFitBelt™ | Electronic Abs Toner & Waist Sculptor
Gym In A Box®
$389.00 $229.00
Save $160.00
StimFitBelt™ | Men’s Ultimate Abs Builder
Gym In A Box®
$389.00 $229.00
Save $170.00
FaceTone™ Luxury Facelift Mask
Gym In A Box®
$399.00 $229.00
Save $90.00
GluteMaster Body Pulse™ Toning Shorts
Gym In A Box®
$389.00 $299.00
Save $160.00
BodySculpt™ StimFit PowerPants
Gym In A Box®
$489.00 $329.00
Save $210.00
GlamTone™ Luxury Body Activation Bundle
Gym In A Box®
$869.00 $659.00
Save $350.00
BodyTone StimFit™ Power Shirt
Gym In A Box®
$699.00 $349.00
Find your GYM IN A BOX® abs belt — MagicTone, UltraTone, SlimCore and ThermaLuxe compared

Find Your Perfect GYM IN A BOX® Abs & Waist Toning Belt

BEST FOR CLASSIC CORE TONING: MagicTone™ • BEST FOR UNDER CLOTHING + LOWER BACK: UltraTone™ • BEST FOR SWEAT + CORE: SlimCore™ • BEST FOR BEAUTY + WAIST SCULPTING ROUTINE: ThermaLuxe™ • BEST FOR FULL BODY: 5-in-1 ULTRA
Save $160.00
MagicTone StimFitBelt™ | Electronic Abs Toner & Waist Sculptor
Gym In A Box®
$389.00 $229.00
Save $90.00
UltraTone™ Core Master Abs & Waist Sculptor
Gym In A Box®
$289.00 $199.00
Save $76.00
BossLady Deluxe™ Sculpt & Tone Kit
Gym In A Box®
$345.00 $269.00
Save $190.00
SlimCore™ Tone, Sculpt & Sweat Belt
Gym In A Box®
$389.00 $199.00
Save $160.00
ThermaLuxe™ Smart Beauty Sculpt Belt
Gym In A Box®
$389.00 $229.00
Save $160.00
StimFitBelt™ | Men’s Ultimate Abs Builder
Gym In A Box®
$389.00 $229.00
Save $90.00
5-in-1 Full Body ULTRA Muscle Booster Kit
Gym In A Box®
$289.00 $199.00

Beauty Tech & Body Care

Explore microcurrent, LED and laser light, controlled warmth and body-care technology for simple at-home beauty routines.
Save $170.00
FaceTone™ Luxury Facelift Mask
Gym In A Box®
$399.00 $229.00
Magic Glow BeautyLight LED Shield™
Gym In A Box®
$139.00
UltraFirm™ Fat Iron | Crepey Skin Eraser
Gym In A Box®
$149.00
Save $50.00
BodySculpting Ultra Firm™ BeautyWand & FitGel Bundle
Gym In A Box®
$249.00 $199.00
Save $40.00
Fit & Firm Workout Enhancer™ Gel by NIKA
Gym In A Box®
$129.00 $89.00
BOOST Workout Activator™ Cream Sachets
Gym In A Box®
$39.00
IGNITE Sweat & Sculpt Workout Enhancer™ Cream stick
Gym In A Box®
$39.00
Save $20.00
LiftMyLash™ Heated Electronic Eyelash Curler
Gym In A Box®
$69.00 $49.00

Recovery & Wellness Technology

Portable technology for massage-like relaxation, post-activity recovery and simple wellness routines at home or on the go.
Save $60.00
3-in-1 Heated Wellness Massager | Shoulder · Knee · Elbow
Gym In A Box®
$149.00 $89.00
VitalStep™ StimFit Foot Massage Pad
Gym In A Box®
$59.00
Save $60.00
StimFit Pulse Massage E-Patch™
Gym In A Box®
$129.00 $69.00
Magic Glow BeautyLight LED Shield™
Gym In A Box®
$139.00
Save $160.00
ThermaLuxe™ Smart Beauty Sculpt Belt
Gym In A Box®
$389.00 $229.00
Save $190.00
SlimCore™ Tone, Sculpt & Sweat Belt
Gym In A Box®
$389.00 $199.00
Save $90.00
5-in-1 Full Body ULTRA Muscle Booster Kit
Gym In A Box®
$289.00 $199.00

Trusted by Real Clients

Chris Cuomo, TV Host

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Shamim, Mom of 2

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Julie, Entrepreneur

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Jenny, Teacher

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Real Client Experiences

Designed for Consistent Daily Routines

GYM IN A BOX® clients use wearable ToneUp15® technology to support muscle activation, recovery and convenient self-care. Individual experiences vary.

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How ToneUp15® Works

1. Strap it on bare skin

The dry electrodes sit invisibly against your skin. No gel pads. No wires.

Tutorial
2. Press the button

Choose your mode and intensity on the wireless controller.

CUSTOMER STORY
3. Live your life

Your muscles activate on their own for 15 minutes, then it shuts off automatically.

How To Use

WHICH ONE IS FOR ME?

5-in-1 Full Body ULTRA Muscle Booster Kit — $199 — the full-body system: abs, arms, legs, calves, glutes.
UltraTone™ Core Master — $199 — premium 360° core, waist and lower back, discreet under clothing.
MagicTone StimFitBelt™ — $229 — everyday core toning with sauna sweat effect and posture support. Rated 4.88 stars from 117 reviews.
SlimCore™ — $199 — tone, sweat and heat with skin rejuvenation; one size fits S–XXL.
Men's StimFitBelt™ — $229 — the MagicTone system sized and fitted for men.