Reinforced tabs for extra durability and longer life. Use colour for categorising File Folder Type: Top Tab; Folder Material: 11 pt. Stock; Colour(s): White; Assortment: N/A. This supplier will be closed on 11/24, 11/25, 12/23, 12/26, 1/2 for the holidays. The shipping cut off is UPS's cut off of 12/15 to try and have the products delivered by Christmas.