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 (Black) EXERCISE EQUIPMENT FOR HOME AND TRAVEL: Small, lightweight and incredibly effective! INCREDIBLE CORE & TOTAL BODY WORKOUT: Effectively train and tighten core and improve cardio MULTI-SURFACE USE & PORTABLE: Dual-sided sliders, use on carpets and on hardwood floors REDUCE INJURIES & JOINT PAIN: Low-impact, smooth exercises, reduce the risk of injury or soreness 100% MONEY BACK GUARANTEE: Risk-free with 30 days money back guarantee - No questions asked