Size :2.2 cm / ball. Box size is 90*24mm Weight :130 g (6pcs) Packet :Silicone zipper bag with 6 ball. Specifications:he decompression massage ba toy has comfortable touchand is anti-deformation, so it allows you to roll at will. lt iseasy to carry and compact, and can be used as entertainmentin offices, homes, libraries,stations, physiotherapy roomsand trave and more.Suitable for children, adults and seniors, l believe it will bringyou fun and surprises. Not only can the fingertip ball toyrelieves some anxiety and stress, or distracts you from anystressful/boring time situation, but also helps to strengthenthe flexibility of the muscles of the hands and fingers. tis constructed of pastic materia..Fidget Toy are very suitable for office, home, station,travel.Making every moment more fun! lt will bring you endless funand let the anxiety go away. Usage: Stress Relief, Relieve BoredomFeatures:Concave-convex Texture, Material Safety,