Safe
Made of premium glass, great performance, long term service.
Each cover features ground edges & polished surfaces for safe handling.
Size
5" (150mm) in Diameter, 1.4mm glass thick construction resists shattering.
Usage
Great for evaporation, holding samples, covering beakers and flasks.
Package Content
Includes 4 pcs 6" Watch Glass Beaker Covers, ideal for scientific experiment and teaching.