The Hypersphere Mini is a massage ball that fits into the palm of your hand. With three speeds of vibration-low, medium, and high-you can roll it over your muscles, wherever they need some loosening up. Dimensions : 9 cm x 9 cm x 10 cm (L x W x H), Packaging Dimensions : 10.7 cm x 12 cm x 10 cm (H x L x W)