... of shapes are available, we also make custom shape acrylic ball. Product Description MaterialGrade A level acrylic material;Lead and nickel ... , 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 20mm, 21mm, 22mm, 24mm, 25mm, 30mm, 40mm, etc.CertificationSGS ISO9001.2008,CE.UsageOur acrylic ... productsWe obtain the SGS,ISO9001.2008 certificate. acrylic transparent bubble ball