Coussin Ballon Togu Dynair Kids, 30 cm : Strengthen your back / / The Coussin Ballon Togu Dynair Kids, 30 cm in diameter, has a smooth surface that promotes dynamic sitting. This feature stimulates the spine and improves posture, contributing to optimized upright posture. An additional benefit of using this cushion is that it strengthens the back muscles. For ease of use, an exercise poster and valve are included in the package, enabling easy set-up and adjustment / / - Smooth surface for comfortable, dynamic sitting / - Promotes upright posture by stimulating the spine / - Strengthens the back muscles / - Includes exercise poster and valve for ease of use / / This ball cushion is an excellent option for those looking to improve their posture and strengthen their back in a simple, effective way. Its specific design for children ensures safe and beneficial use, making this product a must-have for the well-being and physical development of the very young.