Every pack has a different combination of 300 colored mini ping pong balls bulk. Each assorted bulk is enough to enhance your creativity and to add excitement in every event. Pp Plastic Material to You: these table tennis balls are made of PP plastic material, reliable and sturdy, and waterproof; The surface of each ball is in a nice texture, easy to grip. these pingpong balls are measuring . 40 mm/ 1.57 inch in diameter, the suitable size allows you to carry or apply them conveniently. Exquisite Accessories for Entertainment: these pong balls are designed in simple colors and round shapes. All Ping Pong Balls Bulk balls are perfectly round and have surface which makes it handy for writing and crafts; it is right for table tennis, big parties, decoration, lights and carnival celebration. Colour: Multicolor Material: PP Package Contents: 300 * Ping Pong Balls Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.