https://www.cproducts.com/homegym-4u-set-of-2-gliding-discs-dual-sided-abdominal-sliders-for-carpet-or-hardwood-floor-core-trainer-fitness-equipment-for-full-body-workout-crossfit-cardio-training-six-pack-ab-2
HomeGym 4U Set of 2 Gliding Discs, Dual Sided Abdominal Sliders for Carpet or Hardwood Floor, Core Trainer Fitness Equipment for Full Body Workout, Crossfit, Cardio Training, Six Pack Ab