Store in ultra-low temperatures with confidence.Protect your slides in ultra-low temperature ranges down to -80°c.Durable polycarbonate and stainless steel clasp.Safe storage and transport of 25 x 75 mm (3 x 1 inch) slides.Uniform grooved slide slots separate slides preventing slide contact.Temperature-resistant numbered foam lining and identification sheet.Packaging: 1/ea and 72/cs.Stackable