? STURDY DURABLE - Dual non-skid wheels for stability slide effortlessly across any surface without slipping for smooth controlled movement. Foam cushion handles provide safety, ensure extra comfort and provide traction, stability and balance.Can bear up to 440lbs! ? DEFINES SCULPTS - Strengthens and tones core muscles in the chest, shoulders, abs, midsection, arms and lower back. Burns calories and improves your overall endurance ? LIGHTWEIGHT PORTABLE - Itrsquo;s the perfect athletic gear for working out in your home or apartment. Perfect for residential or travel gym use. You can intensity to enhance your abdominal muscles, back, shoulders and arms any where. ? KNEE PAD: The knee pad can protect your knees from injury when rolling frontward and backward. Perfect for the novice or more experienced athletes. ? PACKAGE CONTENTS:- Dual Wheel ab Roller with Knee Mat Skipping Rope