Increase muscle tone and strength without adding bulk. Easily incorporated into a number of targeted sculpting exercises and perfect to add intensity to your Pilates matwork and equipment based routines. 1 and 2 LB toning balls are easily portable. Product: Toning Balls Brand: Merrithew Quantity: 2 toning balls included in each set Options: - 1 LB (purple): 4.3 inches - 2 LB (blue): 4.3 inches - 3 LB (green): 4.3 inches Materials: - PVC shell - Filled with iron sand Delivery: Vendor will contact you by email