Bin slides and detaches from track for easy access, great for small items like spices, gum, candy, cool aid packets anything that tends to get lost in the cupboards, easy install...works with wood and wire shelving, (screws not included), maximize storage space in your kitchen, garage, RV, and bathrooms, actual bin dimensions are 9" long by 3-1/4" wide by 2" deep, NiB, selling 2 boxed sets together