Add resistance up to 150 lbs! 100 lbs variant (25 lbs of resistance in each band) and the 140 lbs variant (35 lbs in each) will let your muscles work against an opposing force. Puts less pressure on your joints but serves as your body's stabilizer to prevent injuries. Use the band alone or stack in any combination to meet your training needs. Portable and economical home gym tools. No more need for any gym membership. Execute the exact motions needed for the sports you do! Boxing, Basketball, Volleyball, Soccer, Taekwondo, MMAŚ this is the perfect training aid for ANY Cross Fit Training or sports! We truly believe we make some of the most innovative products in the world, and we want to make sure we back that up with a risk-free ironclad 45 day guarantee. If you don't have a positive experience for ANY reason, we will do WHATEVER it takes to make sure you are 100% satisfied with your purchase. Buying items online can be a daunting task, so we want you to realize that there is absolute ZERO risk in buying something and trying it out. If you don't like it, no hard feelings we'll make it right. We have 24/7/365 Ticket and Email Support. Please contact us if you need assistance. Remember: Shipping usually takes 2-3 weeks read our Shipping for more details!