,ADJUSTABLE TABS,HANGING FOLDER DESIGNED FOR BULKY FILES(BLUE) Model: side-Blue12 $53 STURDY PLASTIC FOLDER : Made of Polypropylene (PP) material, more thicker, sturdy and durable than old paper folders. SIDES EXPANDABLE DESIGN : Practical accordion design avoid small files, papers, and pictures falling,protecting your files well. LETTER SIZE : hanging file organizer about 11.8 x 9.25 inches, Suitable for cabinets, drawers, and file boxes of various standard sizes,contains 12 plastic folders with 12 black plasticboard supports and 15 blank labels insert adjustable tabs. EXTRA CAPACITY & REINFORCED BOTTOM : Hanging file folders buttom 2" expansion design for up to 500 files at once; includes black plastic plate-reinforced insert for extra support on bottom panel. RETRACTABLE HOOK :Thickened and durable telescoping slides glide effortlessly in desk drawers file cabinets, and file boxes.Durable telescopic hooks can bear heavy documents for a long time without deformation.