HOOK AND LOOP CLOSURE; ONE SIZE FITS ALL: Our waist training resistance wrap is only one size, one size fits all body types, this bandage wrap is 3/4/5/6 meters long and 12.5 cm wide, free Grab your waist and you can adjust the tension however you want. Segmented Velcro: Our waistband wrap is designed with segmented Velcro, which is more flexible and adjustable than others, the wide waistband can easily cover your midsection and slim waist. PREMIUM MATERIALS: Our bandages are made from breathable, flexible polyester and natural latex. Excellent elasticity, it squeezes your stomach tightly and smoothes the scroll on your back. 10,000 Tests: Our gastric sleeves have been tested more than 10,000 times for their flexibility, stability and durability. VERSATILE: This waist workout computer bag flattens your belly for an hourglass figure, it also reduces your waistline, supports your back and improves posture, this bag is also great for postpartum recovery. You can use it in the gym, office and yoga studio. No one will notice you're wearing a seamless waist trainer.