EISCO 12PK Watch Glasses, 2" (5cm) - Cover Lids for Beakers & Flasks - Evaporation Dish - Polished with Ground Edges

STURDY GLASS || Concave beaker covers (also known as watch glasses) made with quality glass.

Each cover features ground edges & polished surfaces for safe handling.

The 2.0mm glass thick construction resists shattering 12 PACK || Set includes twelve covers, each measuring 2" (5cm) in diameter VARIETY OF USES || Can be used for a variety of laboratory functions - ideal for covering beakers and flasks, but can also be used to hold small samples for observation under a low powered microscope, or evaporating liquids off of samples (i.e.

growing seed crystals) GREAT FOR SCIENCE CLASSROOMS || The sturdy construction makes these covers an excellent choice for science classrooms