Features:1) Formed by one outer ball and one inner ball2) Inner ball can roll inside the outer ball3) Different styles can be customized such as eyeball, butterfly, smiling face, ladybug, and fish4) Can bounce and flash when you knock it5) Material: TPR (thermoplastic rubber) 6) Diameter: 50mmPacking:1pc/polybag12pcs/display box192pcs/carton Carton dimension (L x W x H): 39.5 x 26.5 x 49.5cm producing area:China payment:T/T, L/C