The TRX Stability Ball 55 cm in black is a versatile tool for strength, mobility, and balance training. Ideal for home workouts or professional settings like fitness centers and yoga studios, it also doubles as a comfortable desk chair. Its 55 cm size suits users 155-172 cm tall. Equipped with Anti-Burst Technology (ABS), the ball ensures safety by slowly releasing air if punctured, preventing sudden falls. The non-slip vinyl surface enhances stability, even during intense workouts, making it suitable for both beginners and advanced users. This stability ball is perfect for rehabilitation, functional, and strength training. It challenges your core and balance, enhancing exercises like sit-ups by engaging more muscles. Whether for rehab, group training, or as an office chair, it offers durability and safety.