These make excellent storage containers for small parts. Made from durable transparent polypropylene, each has a number of fixed compartments, and is supplied with dividers that can be used to make smaller compartments.
The small boxes are sold in sets of five, are roughly 5 1/2" square, have three permanent compartments, and are supplied with six dividers per box.
The large boxes are sold in sets of three, are about 10 3/4" by 5 1/2", have five fixed compartments, and are supplied with twelve dividers per box.
Both sizes are 1 3/8" high and are "very well made in Taiwan", as is printed on the box bottom!