●5 adjustable modes: Weight 0.3 kg (1 piece)/Max 3.5 lbs (1.6 kg) per foot (5 pieces)/Max 6.6 lbs (3.2 kg) for both feet. 5 adjustable weights Please adjust it according to your exercise intensity, exercise time and body shape. Avoid excessive force and handle weights with care. The weight adjustment is a little difficult to remove and remove, but it will not fall off after use ●Anti-fall Design: Enough length and improved fit (belt about 29cm) Adjustable design fits ankle sizes from 17-27cm in circumference Please check the size before purchase and use it properly ●Upgraded Fabric: 180D Lycra material. It has excellent abrasion resistance and is stronger than conventional products ●Unisex: Great for strength training, running, climbing and yoga ●WASHABLE: You can remove the weight and wash the belt itself