[100% natural latex] environmentally friendly skin-friendly natural latex material, high elasticity and durability, strong stretchability, safe and non-toxic.
[5 kinds of resistance levels] 5-10 pounds, 10-15 pounds, 15-20 pounds, 25-30 pounds, 30-40 pounds, from light to heavy, to meet the different fitness needs of different fitness groups.
[5 Color Settings] The 5 colors represent 5 different levels of resistance, allowing you to quickly and clearly find the one you want.