The length and height of this shelf can be adjusted, the length of expandable shelf can be adjusted from 12.87 to 21.04 Inches according to the different space; the height can be adjusted from 5.3 inches to 7.68 Inches depending on how you want to arrange your space. This kitchen shelf can save a lot of space for cooking, making your kitchen clean and neat; it can also be placed inside a cabinet, closet, pantry cupboard, or bathroom countertop. The cabinet organizer is made of sturdy metal, each layer can hold up to 22LBS, rugged and durable, it can store kitchen utensils and other kitchen items such as bottles, cans, bowls, plates, pans, soup pots, etc. The stackable counter shelf organizer is easy to assemble with only 4 screws, only a few minutes are required to complete the installation.