SPRI Balance Pods Hedgehog Stability Balance Trainer Dots (Set of 6) BALANCE TRAINER PODS: Improve dynamic balance, body awareness and coordination TWO SIDED FOR MULTIPLE EXERCISE OPTIONS: Arrange balance pods with flat-side down for moderate stability or flat-side up for increased instability and difficulty HEDGEHOG SPIKE TEXTURE: Balance domes features a spiked hedgehog like texture to help with traction and stability EXERCISE GUIDE INCLUDED: An exercise instruction guide is included to help get you started! DIMENSIONS: Each pod measures approx. 6.25" x 3.5"