This set of 8 wood shelf dividers will help organize and stack clothes, linens, towels, blankets, linens, and more. Separate purses, shoes, and bags on the same shelf. These sturdy dividers increase storage space by enabling you to stack items higher, preventing them from toppling into each other. Never get attacked by a rogue sweater again. New and improved design features support brackets welded to the top and bottom of shelf divider for stability. They install easily and quickly -- no tools or hardware needed! Simply slide onto existing standard closet wood shelf or melamine shelving up to 0.75 inches thick. When you're ready to reorganize, the dividers can be repeatedly removed or moved, with no damage to original shelves. Each divider measures approximately 12 inches length x 12 inches height (12.75 inches length by 3 inches wide by 13.75 inches height overall including brackets). Dividers feature a durable plastic coated steel frame that won't rust.