Double Ab WheelRoller With Knee Pad|Abs Roller|Exercise Roller Wheel (Pack of 2) DURABLE CONSTRUCTION - Adopt ultra-quiet dual action wheels,environmental protection EVA ABS materials, stainless steel metal support frame, comfortable extended handle,anti-slip wear-resisting. Durable, stable, safe and high load capacity. ULTRA PORTABLE CONSTRUCTION - Easy to assemble, our Ab Roller is suitable for travelling, and manufactured from lightweight durable materials for easy carrying in bags or luggage, guaranteeing wherever you are, the perfect core workout will be within arm's reach TARGETS ABS AND CORE - Tones and strengthens abs, arms and back muscles to help build strong tight core and ab muscles for back support and posture. PREMIUM KNEE PAD - Ab Wheel includes a soft knee pad, protecting your knees from pain and grinding when working out on hard or wooden floors or on carpets at home or at the gym. IN-BOX CONTENTS: 2 piece of Double Wheel Ab Exerciser with Knee Pad.