[Premium Material]-- The baseball net strike zone are made of high grade nylon material with adjustable straps for different height zones, compatible with 6x6 feet, 7x7 feet and 8x8 feet nets, which is reliable and reusable. [Easy to Setup]-- Quick and easy to attach to the nets by means of hooks on the four straps. Besides, the double stitched seams at all four corner joints for durability so that they can support a long term use. Please note that only strike zone targets are included. [Accuracy Trainer]-- It well helps you focus on pitch location and work drills to all quadrants of , giving you a visual understanding of your pitching and hitting. Two different difficulty levels of strike zone to help you quickly improve your throwing accuracy. [A Must Have for Baseball Players]-- The strike zone target makes this an throwing, pitching and fielding trainer for baseball and softball players, improving your baseball and softball skills by practicing with this trainer. It can be widely attached on training net, soft toss practice net, hitting station, and mini backstop. Improve your skills for developing pitching accuracy and arm strength through repetitions and practice. Red color makes target more visibleOnly ( Baseball Net Accessories) Material: nylon colour: black red Package Contents: 2 x 9-hole target strike zone Only the above package content, other products are not included. Note: Light reflection 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.