Features 1、Strong Material: The billiard aim trainer is made of sturdy and durable film to ensure maximum strength and durability, so it can be used for a long time. 2、Working Principle: Our training tool is 1:1 proportion of spherical gasket under the target ball, practice and through constant aim imaginary ball exercises, visual reinforcement of the imaginary ball outline unceasingly, thus increasing the target ball goal angle of target control,. 3、Specially Designed: Designed for players from beginner to advanced level, this is a highly accurate tool used by most professional players and head coaches around the world. 4、Manual Included: Come with the instruction manual, making the training aid very convenient to operate, help to increase the level of your technology. 5、Package Content: The package contains 2 training pad and 1 manual, other accessories and tools need to be prepared by yourself, please make sure you are clear about this. Item Type: Billiard Aim Trainer Material: Film Color: As Picture Shown Application: for Billiard Training Gross Weight: Approx.10g/0.4oz Package List 2 x Training Pad 1 x Manual