Brand Support - Your satisfaction more than anything else. we will provide you with a 1-year warranty and a 90-day refund service. If any problems with the heavy duty resistance bands for pull ups, you can contact us through the order information to send an e-mail. We promise we will solve your problem within 24 hours. Easy Installation and Portability - Say goodbye to complicated setup and hello to a breeze in just 3 easy steps setting up the pull-up assist bands. According clear instructions, you can quickly start your workout at pull-up bars, pull up bar for doorway and pull-up assist machines ect. Include a quality compact pouch for travel with excellent portability, allow to start your workout no limited by place. New Upgraded Safety Accessories - Safety is key with workouts. Each one of pull up resistance bands are upgraded heavyduty solid core and encased in a durable nylon sleeve, better slow down the oxidation speed of the latex tubes and protect your body from injry. The metal steel buckle design for strong locked, stabilizes and supports your pull-up without slipping, confident focus on workouts!. Height-Adjustable Design - Pull up assistance bands set feature a durable adjustable nylon strap, ensuring a just-right fit for any height of the user. Connect it to any pull-up bar then fasten carabiner to the different length, empowering you to control the difficulty pull up level. Customize it to be a regular part of your workout and enjoy your better workout results. Superior Assisted To Pro - Accelerate your pull-up progress with this comprehensive kit designed to optimize your workout efficiency. Whether you struggle with completing pull-ups independently or maintaining energy during chin-ups, assist bands will adapt to your strength level, gradually increase your strength until you can do a standard pull-up like a Pro. Complete Pull Up Assistance Bands Set - The pull-up helper band set is equipped with adjustable straps, 3*75lbs elastic resistance bands, and 1 sponge pad sling hanging. You can easily adjust 3 resistance bands scale from 75lb to 225lb of assistance, achieve the purpose of exercising the whole body according to different combinations.