Durable and stable for abdominal training - Built to support repeated abdominal muscle workouts with a focus on long-term durability and stable performance during use. Thermal design for reliable use - Thermal design helps manage heat during use, promoting consistent performance and reducing the risk of overheating in extended sessions. Built-in card storage - Can simultaneously store up to 5 playing cards (cards not included), providing convenient small-item organization alongside use. Portable and foldable for easy transport - Compact, foldable design makes it easy to carry and store when not in use, suitable for travel or small spaces. Use scenarios - Home workout routine: Use during abdominal training sessions at home or in a gym area; fold after use to minimize space in your workout corner. - Travel or on the go: The portable folding design fits in a bag or backpack, allowing you to keep up with workouts during trips or commutes; use the built-in card storage to carry a few cards for breaks or downtime. - Desk or lounge area organization: When not working out, the device can serve as a compact organizer on a desk or coffee table, keeping up to five playing cards handy (cards not included).