90mm Round Laboratory Watch Glasses for Chemical Experiments - 10 Piece

Watch glass for school: wonderful appearance design and good craftsmanship ensure its durability and practicality, Laboratory Transparent Watch Glass; Teaching tool watch glass: high-grade material, flexibility and excellent durability, easy to use, for, laboratory watch glasses; Experiment watch glasses tool: multi-functional application, it can be used as evaporating dish, also as beaker cover, or as loading carrier, watch tool; Lab glasses: transparent design, round shape, slightly concave in the middle, sturdy, not easy to deform, eye glasses repair kit; Science lab equipment: the watch glasses are useful and excellent, suitable for chemistry classroom, laboratory, testing institution, watch glass laboratory

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10 x 90mm Round Laboratory Watch Glasses for Chemical Experiments - 10 Piece