The Maximum Fitness Gear Double-Strand Resistance Band features a new, patented design that is stronger and safer than ever before. This band offers the absolute best in resistance training technology, with dual-band tubing for maximum elasticity, strength, and durability. The design is lightweight and portable, yet helps to maximize your workouts efficiently for faster fat burning and muscle toning. Available in Light (5- to 15-lbs.), Medium (15- to 25-lbs.), and Heavy (25- to 35-lbs.) resistance levels, this band also includes a door anchor and an illustrated Total Body Workout Guide. Manufacturer"s warranty included - see Product Guarantee for complete details.. About Maximum Fitness Gear Maximum Fitness is a manufacturer of home fitness products that is committed to creating a positive, constructive fitness environment outside of the gym. Their products are designed to produce and maximize results and te good health and fitness without an expensive gym membership. Maximum Fitness products are ideal for all levels of fitness enthusiasts, and reliably easy to use. Their products can be used to boost almost any popular home workout program or training regimen. Keep watch for new Maximum Fitness products and new innovations in bringing maximum fitness to you. * Dual-band design for maximum durability and elasticity * Stronger resistance for efficient workouts and fat burning * Available in multiple sizes and strengths * Dimensions: 8W x 6L x 3H inches * Manufacturer"s warranty included (see product guarantee)