✿High Quality: This plain watch glass equipment for laboratory is made of premium glass materials, and exquisite craftsmanship makes them not be easy to bend or deform.
✿4 Different Sizes: Our watch glasses come in 4 different sizes: 60 mm, 80 mm, 90mm and 100 mm, which are great for various uses.
✿Design for Laboratory: This watch glass has strong durability and corrosion resistance. High transparency, easy to observe experimental results.
✿Variety of Uses: The beaker cover can be covered on evaporating dish or beaker to dust from falling into and also can used as a lid for other chemical containers.
✿After-sales Service: Due to the glass material, this product may break during delivery. If you receive defective items, please let us know via email to get replacement items or a full refund.