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
Attention: As the product is made of glass, please be careful not to bump it to avoid unnecessary damage and injury