Searching for parts’ bins for your bin shelving? We have taken the guess work out of choosing what bins will work in your bin shelving unit. Just find the package that matches your shelf size and you will get a complete set of bins to fill one shelf. Westcan bins come in 4-1/8” and 6-5/8” wide for 12” deep bin shelves and 6” wide for 10” deep bin shelves. Load your shelving unit out with whatever combination of bins you require.