The United Scientific SLD500-SET/25 prepared slide kit contains 25 ready-to-view biology slides in a wooden case. The case has numbered slots and a numbered contents sheet for identifying the slides, and holds the slides securely for storage. This slide kit is suitable for biological microscopic study.

United Scientific Supplies manufactures laboratory supplies and science education products. The company, founded in 1992, is headquartered in Waukegan, IL.