Features: brand new and high quality Selected Qualification Materials: Made of qualified resin, round and polished well, wear-resistance, durable and flexibility to improve the for play experience. Sensory Enhancement Design: Handhold massage ball, could rotate fast between your hand & fingers, encourage and enhance kids & adults senses, exercise their hand use and stimulate the basic hand & eyes abilities, the colorful luster make it super smooth to flip over your hand, and relief your hand muscle fatigue. Portable Toy: Small size can be held in hands, easy to take with you to any for time any where you need to release your pressure,which is suitable for offices, churches, libraries, stations, special education classes, physiotherapy or educational purpose. Applicable for Various Person: Applicable for various people such as inattention, and autism which can well improve and assist daily relieve stress and irritability, and improve concentration. for Ideal Gift for Kids Adults & Special Needs Person: Suitable for various person as birthday gifts, Christmas gifts, and best choice stress relief toy, meet the requirements from kinds of person or rehabilitation therapy. Package Includes: 1 Set Fidget Massage Ball(2pieces) Specifications: Product Dimension: approx. 5cm/1.97 inch Material: Resin Style Option: A/B/C/D Net Weight: approx. 160g/0.35 lbs note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.