7cm(2.75") in diameter.Made of natural Australian wool,healthy and safety,reusable.Effectively prevent your clothes twisting together,absord thread on the clothing,reduce electrostatic.Make your clothes cleaner,fluffier,and reduce wrinkles.Applicable to fully automatic,semi-automatic washing machine,drying machine.The ball is soft,totally no harm to your washing machine and clothes,help your save water and energy by the same time.
