The ShadowView Window System is totally silent when opening/closing and easily adjusts with one-hand. Each window features a external blackout shield for additional scent-free protection. Every DIY window system contains all of the parts to build the same blind windows found in every Shadow Hunter Blind. Custom molded shields keep weather and unwanted guests out Exterior aluminum track with foam padding allows silent and fluid movement Plexiglass windows will mount on the inside of the blind Silent hinged window Slotlock utility locks allow one-hand adjustment to raise and lower the outer shield with the provided cord *Kit also includes instructions and all hardware needed for installation. Sizing: Crossbow Kit: 34" x 10"