The package includes: a Back and Neck Massager and a guidebook. Size: 24*15*1 inch Weight: 1.70 lbs Color: Green/Black If you suffer from muscle knots, trigger points or myofascial pain syndrome (MPS) in the neck, shoulder, back, torso, thigh/hips, legs and feet and require healing and relief, the ZIZNBA massager is the perfect massage therapy tool for you. If you are not completely satisfied within 30 days due to the product itself, you only need to refund the full refund of the product.