Description: This chalk is of good quality and not powdery as other chalks. It adheres to tip securely and leave no residue on table. The chalk sticks better and lasts longer, works well for more precise shot. The blue dry one is suitable for snooker, helps to do precise shot, and green greasy one for pool, sticks better and lasts longer on the tip. This item is a must accessory for billiard lovers. Features: 1. Professional grade billiard chalk delivers a smooth and even coating that will not cake or flake. 2. Does not crumble and provides excellent coverage on your pool stick. 3. Helps minimize the chance of a miscue on a non-center hit. 4. Dry chalks helps minimize the chance of a miscue. 5. A must for billiard accessory. Specification: Material: Calcium Carbonate Color Options: Blue (Greasy); Green (Dry) Size: approx. 2.2 * 2.2 *2.2 cm / 0.86 *0.86 *0.86 inch Weight: approx. 260g (1 Box) Package Included: 1 * Box of Chalk (12pcs) 1、Professional grade billiard chalk delivers a smooth and even coating that will not cake or flake 2、Does not crumble and provides excellent coverage on your pool stick 3、Greasy chalk sticks better and lasts longer on the tip 4、Dry chalks helps minimize the chance of a miscue 5、A must for billiard accessory