Wilson Jones 54309 Single-Sided Reinforced Insertable Index, Multicolor 5-Tab, Letter, Buff Classic style tab dividers, insertable dividers are made of durable paper with plastic tabs; for use with letter size sheets; fit inside any standard 3-ring binder or report cover Double reinforced binding edge and reinforced tabs make these dividers long-lasting and durable; blank inserts are included for custom tab titles Set of 5 tabbed dividers; colored tabs are transparent for easy color-coding and readability