Balls sensory spokey Grespi 4 pcs. 941757 & nbsp; set balls to massage spokey designed with thought about stimulating circulatory, fight with cellulul item and exercises anti -stress. massage balls helps in loosening muscle and supports regeneration sk & oacute; ry. Small construction. In set there are 4 pieces o r & oacute; degree hardness. Bands produced with durable, not absorbing moisture moisture material pvc. & nbsp; technical data: & middot; material: PVC & middot; size: 6.5 cm & middot; 4 types hardness & middot; in in set: 4 pieces & nbsp;