undersun pull up resistance workout band set with 2 assistance exercise bands for men & women heavy duty in camo (heavy and x-heavy) undersun train like an elite. these extra-strong 2-ply resistance bands are for the true enthusiast looking for the highest quality and coolest looking resistance bands money can buy. take your training to the next level with u.s. elite bands. undersun fitness bands are multi layered made from 100% latex materials. it is the complete home workout / home gym equipment. set of 2 rubber resistance bands of 100% natural latex resistance bands. lose weight, build muscle and gain strength with undersun resistance bands. each loop resistance band is constructed with a durable seamless design to resist breakage and provide maximum results that you can take anywhere. we want to keep the planet green, and that's why all undersun resistance workout bands are made of eco-friendly 100% natural latex. the 2-band complete set includes 2 different levels of resistance from heavy and x-heavy. stretch bands allow for stronger peak contractions, reduce stress on your joints & are extremely portable allowing you to get your workout in anywhere, anytime.