Baluue 10pcs Laboratory Watch Glass Beaker Covers, lab Teaching Watch Glass Evaporation Dish for Chemistry Class School Home Lab(50mm)

Premium Quality: This ordinary surface glass equipment for laboratory use is made of glass material. Exquisite craftsmanship makes it not easy to bend or deform. The round glass piece has a diameter of 50MM and is ideal for various uses. Laboratory glass equipment: surface glass - the perfect workmanship of this product will bring you a good use experience. Lab Design: This surface glass is very and corrosion-resistant. High transparency, easy to observe experimental results. Multiple uses: The beaker lid can be placed on an evaporating dish or beaker to prevent dust from falling in, and can also be used as a lid for other chemical containers.