Features:  Extendable Design: A smart way to create extra counter space and maximize storage in your cabinets. This versatile shelf can be extended from 12.2-22.4 inch for your specific storage needs.  Heavy Duty: Durable high-strength steel frame construction with anti-corrosion polyethylene coating to prevent rusting. Ventilated slat design allows for storage above and below. Sturdy and safe. Easy to clean.  Multifunctional: Perfect for keeping everything organized in kitchen cupboards, pantries, bathroom cabinets, closets, counter tops, under the sink, or anywhere you need extra room. Can be used straight or at an angle.  Easy to Use: Simply install the anti-slip foot sleeves to protect surfaces from damage and it’s ready to go.    Parameters:  Material: Iron;  Color: Black, White;  2 Types Optional: Standard, Thickening;  Size: 31-57cm(12.2-22.4 inch) in Length ,14cm(5.51 inch) in Height;    Packing List:  1 - Kitchen Storage Rack;    Notes:   1. Please allow 1-3cm error due to manual measurement and make sure you do not mind before ording.  2. Please understand that colors may exist chromatic aberration as the different placement of pictures.