C-Line's see-through vinyl covers enhance every presentation. Red covers with matching 1/8 inch binding bars (backbones). Holds 8-1/2 x 11 inch materials. 50 vinyl covers per box. With over 60 years of experience, C-Line's many product offerings include sheet protectors, name badges and holders, shop ticket holders, media storage products, laminating film, report covers and project folders, photo holders, Memory Book page protectors, office accessories, transparency film and more.