【Gentle Resistance, Firm Toning!】 This exercise tube, the "Soft Rubber Standard Type," is perfect for those weighing 60-90 jin (approximately 30-45kg). Made with soft, special rubber material, it allows for training that can be continued without strain. ★ Tightening of the neck, shoulders, and upper arms ★ Stretching of the back and waist ★ Perfect for beginners and women The cute design in colorful pink, mint, and gray will boost your mood during your daily training. With its high elasticity that stretches and returns well, it's quiet and ideal for "while-doing" exercises. Lightweight and easy to handle, it's also compact for storage. At home, in the office, or at the gym, you can easily shape your body anytime, anywhere!