Product Name: sit up assistantColor classification: grey and pinkIt was suitable for both men and women, old and youngProduct material: TPE+ cotton and cold rolled steelProduct weight: about 0.8kgService environment: smooth floor, such as tiles, marble, wood floor, etc★1 x Sit up bar1*Yoga mat (random color)★ Warm Tips: The sit up exercise equipment must be used on a smooth floor. Better wipe the floor with a wet cloth before use to remove dust and place the suction cup on a flat surface to make sure there are no gaps at the bottom. Not suitable for: rough floor, carpeted floor, uneven surface