Specifications: The multifunctional retractable file rack saves space and increases work efficiency. It is suitable for office, workshop production progress report and warehouse material card storage, etc. This assembly is simple, no need to punch holes, install at will, without damaging the wall Can increase the number of file storage locations, it is easy to fold and easy to stretch. There are buckles on the left and right sides of the file holder, which can be connected in series.   Item Name: File Holder Material: PP Style: A: 1-Layer File Holder B: 3-Layer File Holder C: 5-Layer File Holder Features: Multifunctional, Multi-layer, Wall Mount Unexpanded Size: A: 24m x 6.5cm x 28cm x 2.56" x 11.02" (Approx.) B: 24m x 10cm x 28cm x 3.94" x 11.02" (Approx.) C: 24m x 13.5cm x 28cm x 5.31" x 11.02" (Approx.) Expanded Size: A: 24m x 6.5cm x 34.8cm x 2.56" x 13.70" (Approx.) B: 24m x 6.5cm x 41cm x 2.56" x 16.14" (Approx.) C: 24m x 6.5cm x 62cm x 2.56" x 24.41" (Approx.)   Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.   Package Includes (A): 1 x 1-Layer File Holder (Others Not Included)   Package Includes (B): 1 x 3-Layer File Holder (Others Not Included) Package Includes (C): 1 x 5-Layer File Holder (Others Not Included)