(x 1pc) Spiky Massage Ball has been are designed to release tight and uncomfortable muscles, reduce tension, increase blood circulation and remove toxins.
Please note - This ball is soft. Harder balls are silver or black.  Colours vary according to size.
Sizes are:
Spiky Massage Ball 8cm (Yellow)
Spiky Massage Ball 9cm (Red, Silver, Black)
Hardness scale up from:
Yellow < Red < Silver < Black