View-Pack Microscope Slide Holder Pages (enough for 160 slides). Each vinyl page measures 22 x 27cm (8½ x 10½") and holds (16), 25 x 75mm (1 x 3") slides in individual pockets with a white back and clear front. A center flap keeps slides from falling out. Simply fold the page at the center crease to retrieve slides. Fits standard 23 x 30cm (9 x 12") 3-ring binder. Research, industrial and healthcare professionals rely on SP Scienceware for their sample handling needs. Sold worldwide, Bel-Art and H-B Instrument brand laboratory supplies include over 5,000 items from safety wash bottles to fume hoods, thermometers, racks, desiccators, hydrometers, ice buckets, scoops and spoons. Custom calibration services, plastic molding, specialty coatings and wire manufacturing are also available. Wilmad-LabGlass brand laboratory glassware complements Bel-Art and H-B Instrument with over 7000 items including NMR and EPR consumables and specialty glassware, as well as custom fabrication for individual glassware, glass repair services and OEM glass parts. SP Scienceware is a division of Warminster, PA based SP Industries which also include SP Scientific laboratory, thermal management, and pharmaceutical production equipment and SP Ableware aids for daily living.