9.75" x 7.5" x 1.5" outer dimensions Holds one hundred 75x25mm microscope slides Hinged lid for secure closure Finished wood Durable wooden construction, inside and out This Eisco Wooden Slide Box is built to store up to one hundred 75x25mm microscope slides. The heavy duty wooden planks act as pressure plates to secure slides better than some plastic versions. It's durable wooden shell is fastened with a metal hinge for a reliable closure in between uses.