- Stable and floor-friendly design: Innovative double suction cups grip smooth floors securely without tools, preventing floor damage. - Comfort and alignment: Ergonomic high-density foam border and non-slip surface provide stable spine support; double foot support improves leg alignment to reduce strain and enhance training posture. - Adjustable exercise height: Suitable for both men and women; adjustable height makes these sit-up devices ideal for family fitness and accommodating various user requirements. - Portable and versatile: Compact design for easy transport; use on flat surfaces at home, in the studio or gym, outdoors, or in garden rooms for a range of training options. Use scenarios: - Home fitness: Set up on a smooth floor for core and abdominal workouts; adjust height for different family members without tools. - Studio or gym: Stable, quick to reposition between stations; supports individual or small group routines with consistent comfort and posture. - Outdoor or garden training: Use on patios or garden rooms with flat surfaces for versatile workouts regardless of indoor space constraints.