Adjustable Sit-up Exercise Bar Self-Suction Equipment Helper Core Trainer

​4 LARGE RUBBER SUCKER: Suction large, durable and flexible switch, it is very easy to absorb for a variety of smooth ground，when the ground is not clean or smooth, it can be added to the water to make it more stable. MATERIAL: Sit up fitness bottom made of natural latex tube sucker, middle choose stronger steel, and high-density sponge, comfortable and durable. HEIGHT ADJUSTABLE: Sit-up equipment with spring buckle, 4 height free to adjust for men and women. MULTIPLE WAYS OF USE: We can do sit-ups, push-ups, etc.exercise your chest, shoulder, back muscles, leg, abdominal, waist, buttock and your whole body. EASY TO CARRY: Convenient for contraction, light weight, only 0.75 kg. We can carry it with us, whether you are traveling for business or traveling. Note:  Please force evenly on the foam. If the force is not uniform, the device will loosen and cause danger Four suction cup sit-up aid Four powerful rubber suction cups, compact and easy to disassemble, adjustable in four gears, comfortable foam. Material: steel, foam, rubber, PVC Specification: 35 x 21cm, chassis diameter 8.7cm Weight 0.785kg Product description: 1. Versatile use: sit-ups, flat support, back stretching, push-ups, Yan Fei, Abdominal, reduced belly, shaping, muscle strengthening 2. Thick foam, soft and comfortable, the ankle is not painful; 3. Four strong rubber chassis, firmly grasping the ground and refuse to loosen; 4. Small size, easy to install and disassemble, carrying and storing; 5. Four-speed adjustment, the whole family is available. Include: 1 x Sit-up Exercise Bar