See an installation video here
To gain storage space, you usually have to give up space somewhere else. Not in this case. Hidden under almost every kitchen cabinet, there's a cavity containing nothing but air. This low, shallow cavity isn't prime storage space for everyday items, but it's perfect for bakeware, cleaning supplies, pet dishes and more.
space inside drawer is 15"x9" and 3" high. Lots of room for
small items.
By adding this drawer underneath your upper cabinet you will create more storage space inside your cabinets. it pulls open like a regular drawer easy to see in. This is the answer to the question: Where do you find more space in your kitchen