High quality: The double end ball is made of high-quality PU leather, hand-stitched with double layers of textile for improved precision and long-lasting durability. Features a spherical shape with precise, regular stitching and fine seams that are resistant to tearing, enhancing tensile strength and extending service life. Convenient to use: The double end ball set includes 1 pump, 1 needle, and 2 hooks. Can be easily inflated and deflated using the included air pump. Total length: 180 cm, stretchable up to 220 cm. The top elastic rope extends from 60 cm to 72 cm. The bottom elastic rope extends from 80 cm to 96 cm. The speed ball has a diameter of 20 cm. Super elastic rope: Equipped with thick elastic ropes and double belts at both ends, increasing durability. The highly elastic hanging rope offers strong extension and resilience, designed to withstand repeated use without breaking. Features a suspension design for easy handling and convenience. Double end ball: This punching ball is an effective training tool for improving rhythm, agility, accuracy, endurance, and hand-eye coordination. Supports both offensive and defensive drills, enhances reaction speed, and helps develop combat skills. Ideal for use in MMA, boxing, martial arts, or general fitness training focusing on reaction, accuracy, agility, and stamina. Practical punching ball for all: This well-designed speed ball helps relieve stress and is suitable for adults and teenagers, men and women, for home or gym use.