Features: brand new and high quality Smooth roller: spherical is more comfortable with human curve construction Massage is more comfortable TPR non-slip design: hollowed non-slip design, not easy to fall and more durable This massage ball is injected into special liquids. It can massage shoulders, back, waist, legs, arms, etc. Spherical Ice Town: After 30 minutes and 1 hour, you can use more than 6 hours, 6.2cm large massage balls for always keep low temperature, cold, and good soothing effect Hot massage: Infading in hot water for 10-20 minutes, it can be used for muscle strain, foot rolleritis, and blood vessels have a good relief effect. Specifications: Material:Stainless Steel +Plastic Color :Pink / Blue / Purple Length: 20cm/7.87inch Width: 8cm/3.14inch Ball diameter: 6.3cm/2.48inch Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xHandheld Massager