The arch trainer offers three color-coded resistance levels to tailor every workout and maximize fitness gains. - Three resistance options: rose red for medium resistance, dark blue for high resistance, and milky white for low resistance. Use the level that matches your training phase and progression needs. - Wide application: suitable for ballet foot training as well as gymnastics, yoga, and various dances. Supports advanced foot strength, flexibility, and performance enhancement. - Enhanced foot performance: strengthens and increases the flexibility of foot muscles for professional ballet, with focused workouts for gymnasts and yoga dancers. - Portable and convenient: dimensions 28.5 x 8 x 5 cm and lightweight for easy carrying, enabling use anywhere and at any time. Use scenarios - Ballet training: warm-up and barre routines to improve arch control, toe strength, and overall foot precision. - Gymnastics conditioning: targeted foot strengthening to support tumbling preparation and on-field foot stability. - Yoga or contemporary dance: enhance foot flexibility, balance, and movement quality during practice.