Nskgu core values: Save Money & Reliable★Satisfy your normal use★Lower price★3 months full refund guarantee❤Any questions please contact us, we will reply within 24 hours ！Decompression Conjoined Massage Ball Vent Sensory Educational Toys For ChildrenFeatures:The massage ball is made from high-end material zinc alloy,safe and odorlessWith its delicate design, it can perform various functions including mobilizing joints, releasing tension, improving posture etc With its soft touchssensation, you will feel much more comfortable while using it Applicable to different parts of your body such as shoulder, spine, neck haunch and so on Effective for relieving fatigue: Spiky sensory points release tension, Massage muscles, stimulate nerves and increase blood flowing to promote healing Playing with the one-piece massage ball is a good way to relax. The unique design makes it very compelling to hold in your hand, which is a bonus!Hold the ball on the left with one hand, and flick the ball on the right with the right hand. The small ball emits a soft ASMR sound. Close your eyes and listen, which has a certain effect of relieving pressure.Easy to use: You can just use it whenever in a office even when you watch TV Specificaitions: Color: Black,Blue,Silver,GoldMaterial: metalDiameter: about 30mmLength: about70mm Package Included:1 x Massage Ball1x Zipper bag