Product name: wobble boards Product size about : 27.5x27.5cm/10.82x10.82in Product color: As shown in the figure Product material: ABS product features: -EIGHT MAGNETS: Eight built-in magnets and larger relaxation beads in the sole area; this ergonomic twisting plate design helps to enhance your relaxation and well-being as you twist your way to a leaner body -FITS ANY FOOT SHAPE: Our ab trainer adjusts to the shape of your foot; the user-friendly design allows for a versatile and fun workout (including cardio) with a variety of movements and positions -Versatile, targeted workout: you can work your thighs, hips, lower back and abdominal muscles in a variety of ways with different twisting and turning movements; enjoy a toned core, a stronger back and a better sense of balance as you work out. -TRAIN AND RELAX: Twist and turn your body to your heart's content with this 360-degree rotating abs exerciser; at the same time, let it relax to relieve soreness and burn calories faster for a firmer tummy and more toned curves! -AFTER-SALES SUPPORT: If you have any questions or concerns about our products, please feel free to contact us. We will be happy to serve you and ensure your satisfaction. 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only. Package Included: 1pcs wobble boards