MECO(TM) 150pcs Table Tennis Ping Pong Beer Pong Balls (Blue) Material: Durable plastic&lt;br /&gt; Durable &amp; Washable &amp; Re-usable Good for party lottery&lt;br /&gt; These balls CAN NOT be used for tainning and match Mainly used for lucky dip, gaming, lottery,etc.&lt;br /&gt; Especially used for Beer Pong Color: Blue&lt;br /&gt; Size: 38mm&lt;br /&gt; Weight: 2g/piece approx.