Jef the dog isn't just any rattle.
He lets you discover different sounds, activities and materials.
He's loyal to his master and follows him everywhere.
He can be strapped to a car seat, playpen, cot, ...
When taking off the straps, he can also be used as a classical squeaker.
⋅ Stimulation of manipulation
⋅ Awakening of the senses through the different colors and materials used