Material :ABS, PC, Steel wire Size Parameters: Non-slip base: 8.2*8.2*3.5 inches Butterfly plastic interface: 1.2*1.2*0.6inches Steel?wire: 9.5inches Butterfly: 5.3*2.8inches Package Includes:1* 8.2 inch base 2*Butterfly with steel wire rod (Batteries are not included) This cat toy is for pets only, please keep out of reach of children because it contains small parts Pets should be supervised when playing with this toy. Remove toy from pet if any part as loose or detached. Store out of pet’s reach when not in use. Remove all packaging and dispose properly. Do not mix old and new batteries. Do not mix alaline, standard ( carbon-zinc) or rechargeable ( ni-cad, ni-mh, etc) batteries.