Bownet Strike Zone Accessory Target (BOWSZ-A) Strike Zone attachment can be used to visualize a catcher and help aid pitchers in improving their strikeout records Stitched nylon straps and target engineered to outlast thousands of high intensity pitches 14" x 28" pitch through target simply attaches on the Original Big Mouth Training Net, Soft Toss Practice Net, Hitting Station, or Mini Backstop. All training nets sold separately. Durable nylon straps loop onto training net's composite BOW-poles and are easily adjustable to suit pitcher's height and pitching preference Bownet Zone Counter Target Attachment (sold separately) recommended for more advanced pitchers