Keep your stash organized while bringing color into your work space with these plastic storage Stack 'em Ups. Each box measures 2.5" square and 3" tall. With the lid, the box stands 3.625" tall. The lid has a special plastic rim to keep it snugly in place. The lid's knob also serves to make the boxes stackable, as the knob fits into the bottom of the next box. Several colors are available.