M Design set of 4 shelf extender.  Can use above or below the shelf.  Gives you more space in your closet.  See other listings.  Have 2 white, 1 black, 1 graphite.

MAXIMIZE SPACE: Create extra storage space on virtually any wood or solid shelf using the top shelf and the open space underneath; Ideal for areas with limited space; Provides flexibility to frequently rearrange and organize shoes, sandals, flip flops, boots, sneakers, tennis shoes, booties, slippers, scarves, hats, gloves, workout gear, athletic wear, and other clothing accessories; Keep extra linens, blankets and towels neatly organized and ready to use; Set of 4 SIMPLE INSTALLATION: Each divider easily installs with no hardware or tools needed; Simply slide the divider shelf unit over closet shelves to create individual compartments; Instantly creates additional storage options in crowded work areas, closets, cabinets, and more; mDESIGN TIP - Flip the rack over before hanging to create under shelf storage to take advantage of unused vertical space; Perfect for kitchen pantries, linen closets, bathroom storage, and under sink cupboards FUNCTIONAL & VERSATILE: Maximize shelf space by creating 2-level storage and customize to fit your needs; Use for closet organization as well as throughout the house, great for bathroom, kitchen pantry, craft room, garages, laundry/utility rooms and other shelving and cabinets in your home; Perfect for small space living as well as apartments, condos, college dorm rooms, campers, RVs, cabins and tiny homes QUALITY CONSTRUCTION: Made of strong steel wire with a durable rust-resistant finish; Easy Care - Wipe clean with damp cloth THOUGHTFULLY SIZED: Each Measures 11.7" x 16.94" x 7.05" high; Works on shelves from 0.5" to 1" thick (1.27 to 2.5cm