Tullo duoball massage and rehabilitation roller 15.5 cm 449 Properties: Tullo Duoball Massage and Rehabilitation Roller 15.5cm Green 448 Tullo Duoball is recommended for body massage, fitness exercises, rehabilitation, yoga, and sensory integration therapy. It will also be useful when playing with children as a variety of group activities. The design resembles two balls connected together. Hedgehogs are very helpful in treating knock knees and flat feet in children. The conical spikes stimulate sensory receptors and improve blood circulation through massage. Technical specifications: Length: 15.5 cm Made in Poland from the highest quality certified raw materials Free from phthalates, BPA, and heavy metals Warning: product should be washed before use Age: 6+ Price per piece Color: black;Tullo duoball massage and rehabilitation roller 15.5 cm 448 Properties: Tullo Duoball Massage and Rehabilitation Roller 15.5cm Green 448 Tullo Duoball is recommended for body massage, fitness exercises, rehabilitation, yoga, and sensory integration therapy. It will also be useful when playing with children as a variety of group activities. The design resembles two balls connected together. Hedgehogs are very helpful in treating knock knees and flat feet in children. The conical spikes stimulate sensory receptors and improve blood circulation through massage. Technical specifications: Length: 15.5 cm Made in Poland from the highest quality certified raw materials Free from phthalates, BPA, and heavy metals Warning: product should be washed before use Age: 6+ Price per piece Color: green