Bundle [5 Resistance Bands and Core Slider] –5 resistance bands (12" x 2") are made with 100% natural latex (Odor-free & Eco-Friendly). Dual core sliders (7" in diameter) are made with one side fabric, other side plastic. They glide on hardwood or tiled floors (Fabric Side), and also on carpet (Plastic Side). | Making Home Your Own Gym – The Resistance Bands have 5 different resistance levels. You can adjust the intensity of your workout by yourself. Sculpt your body using different non-impact exercises to focus on specific muscles. A user guide is included in the package and videos can be found online. You can now make your home your own gym! | Workout On-The-Go – A nylon drawstring bag is included to keep the Resistance Bands and Core Sliders together. Resistance strength include: Extra Light, Light, Medium, Heavy and Extra Heavy.