... :Green or blueCertificates:PATENT ,CE,ROHS,MSDS Eco laundry ball [Washing Characteristics] Easy, Effective & Economical, Laundry Balls Type E unleashes the ionic cleaning power ... children’ and top grade clothing[Life span]Valid period of laundry pellets:laundry ball with pure ceramic pellets inside, designed service life is ... . Change or refill washing pellets, about 30-60g each time. Eco Laundry Ball