Nittaku Clean Training Table Tennis 50 Dozen NB1748 J-Top Balls, (600 Balls),

Material: Plastic (ABS resin) + antibacterial agent Size: 40mm diameter Contents: 600 pieces Function: Antiviral and antibacterial "Photocatalytic Medical Nano Coat" Specifications: Medical Nano Coat (single nano composite particle coating) / A unique technology that uniformly coats various functional inorganic materials with single nanoparticle diameters of less than 10 nanometers, creating an antiviral and antibacterial coating that keeps surfaces clean (antiviral performance test / test standard JIS R 1756)