Empower Revive & Relax Kit Convenient workout guide gives you 13 exercises to follow using your R&R tools 14 compact size for self-massage & travel Empower R&Rs hollow center storage compartment can be used to store personal items or is the convenient storage for stress ball and stretching strap Convenient workout guide gives you 13 exercises to follow using your R&R tools 14'' Compact size for self massage & travel Empower R&R's hollow center storage compartment can be used to store personal items or is the convenient storage for stress ball and stretching strap