3-star Practice, Ping Pong, Table Tennis, Balls Sets. Specifications: Weight (g): 2.7-2.8g Star Rating: Three-star Level Model Number: ABS Table Tennis Ball 40mm+ Item: 3 Star Table Tennis Ball Material: New ABS Plastic Size: 40mm Diameter, 2.7-2.8g/piece Approximately Quality: Standard 3 Star Level Fit For: Table Tennis Training Ball Item: 3 Stars English Marked Table Tennis Balls Material: ABS Plastic Size: 40mm Diameter, 2.9g/piece Approximately Grade: 3 Star Training Table Tennis Ball Fit For: Table Tennis Training, Competition for School Student and Table Tennis Club. Package Included:  10 50 100 Pcs / Bag . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.