Warm Note: Please kindly note that the steel plates(weights) are not included. Main Features:- Made of high-density thickening 1680D fortified oxford fabric， durable and steady. - Highly flexible compressed sponge interlining， for body protection and shock absorption.- It is adjustable with 6 bags for sand and steel plate (every bag for 3 steel plates and every steel plate is about 0.46kg，the steel plates is not included)， so you can work your way up to 6.9kg step by step. - Widen Velcro strip and mobilizable buckle， more tight and not easy to fall off.- It is an necessary equipment for physical fitness exercise training.- Adapted the newest composite material， with its novel design， beautiful shape， safe and comfortable to wear， convenient to use， it would be your best choice.Type: Ankle/ Leg Support Color: Black Package weight: 0.542 kg Product size: 34.00 x 25.50 x 1.50 cm / 13.39 x 10.04 x 0.59 inches Package size: 35.00 x 26.00 x 2.00 cm / 13.78 x 10.24 x 0.79 inches Package Content: 1 x Pair of Zooboo Adjustable Ankle Leg Weight Strap Strength Training Fitness Exercise GYM Running Equipment