AOSHINE Punching Core Multi Function Double AB Roller Exercise&Fitness Wheel

●We always focus on serving customers and strive to bring high-quality product experience to customers. Therefore, we have improved the existing products on the market to make your exercise more comfortable and quality. ●The upgraded product materials are more environmentally friendly and reliable, and the design is more humanized. <1>Q:Is there a replacement of the center?Added a soft mat at the knee part? A:YES,we improved the knee part which is more softer,and the disc is bigger. <2>Q:Can it rpll on a yoga mat? A:SURELY! <3>Q:Can we adjust the length and strength of the drag band？ A:YES!YOU CAN ADJUST IT AT ANY TIME. <4>Q:That will show all different work out positions? A:YES! <5>Q:If i have some questions,how long will you rely me? A:Reply to you within one working day at the latest. Please identify our brand to prevent counterfeiting. We will provide you with high-quality pre-sale, in-service and after-sales services.