Teaching watch glass--multifunctional, can be used as an evaporating dish, can be used as a lid, can be used as a container, can be used as a carrier,laboratory glassware
Chemical experiment glass--transparent design, makes it easier to observe experimental results, much safer and easier,School Watch Glasses
Watch glasses for school--the ground edges and polished surface provides product for handling in the classroom or laboratory,lab glasses
Microscope watch glasses--transparent, round and flat shape, sturdy, not easy to deform for long time to use,Clear Watch Glasses
Lab glassware--after careful polishing, the surface is smooth and burr-free, safe, practical and durable,Laboratory Watch Glasses