Function: A balance trainer that targets balance, fitness, and coordination for daily activities and workouts. Safety feature: Antiburst design ensures controlled deflation if punctured, reducing safety risk during use. Spine and core support: The cushion stabilizes the spine and back and passively engages the abdominal muscles when sitting. Standing benefits: When used standing, it strengthens joints and improves balance. Materials and size: Built from durable, punctureresistant material in a compact, portable size for home or office use; easy to inflate and deflate. Compatibility and use: Suitable on any flat surface; can be placed on a chair for seated use or used alone as a balance pad. Performance: Provides lowimpact, progressive training for core stability, joint health, and postural control. Use scenarios: Home workouts: daily balance, core activation, and coordination drills. Office or desk: as a chair cushion to promote active sitting and subtle engagement. Rehab or senior fitness: safe balance training with low risk and adjustable intensity.