6 White Foam Rollers * 6 X 12 Half-round * Perfect For Positioning Balance Postural And Muscle Re-education Spinal Stabilization Body Awareness And Coordination And Ranging And Strengthening Activities * Round Rollers Offer Progressive Exercise Sequences - User Can Move From An Easier (smaller Diameter) To A More Difficult (larger Diameter) Roller * Half Round Roller Is A Great Tool For Ankle Stretching And Knee Rehabilitation * Tufcoattm Foam Rollers Have A Coated * Exterior That Is Washable Durable And Adds An Extra Layer Of Firmness *