Pool Cue Chalk Snooker Cue Tip No-slip Chalk Table Billiards Chalk Accessories Type:Billiard chalk Green:Dry chalk Blue:Oil chalk Note:The color of the packaging paper is yellow, black and red (sent random) Package includes:2pcs Billiard chalks (no retail package) Shape:Square Note:The color of the packaging paper is yellow, black and red (sent random) Note: Oil chalk: Normally the blue color is oil chalk, with strong adhesiveness, it's easy stick to tips and cue ball Dry chalk: Normally the green color is dry chalk, adhesiveness not as good as oil chalk How to use: Pick one cube of chalk and rub the tip of cue gently and evenly.