These sturdy Pop-Up Slide Holders hold 20 or 30 standard 3 x 1" slides in compartments numbered to correspond to the printed index on the cover. The compartments are recessed so the specimens can't be touched when the covers are closed. Slides pop-up with a slight pressure at one end. Each holder is made of heavy pressed cardboard with a white finish. Hinged covers are attached with durable black tape. The 20 slide holders are also available with 5 different color tape for easy sorting and storing.
Closed dimensions: 20-Slide Holders: 20.3 x 34.3 x 0.96cm (8 x 13.5 x 0.38") 30-Slide Holders: 27.9 x 33 x 0.96cm (11 x 13 x 0.38")