Specification AgeRangeDescription : little_kid Brand : Zerodis BulletPoint1 : [PRECISION READING] Ultra-clear with smooth edges for scratch- accuracy. BulletPoint2 : [ DURABILITY] Designed to withstand high temperatures and ensure long service life. BulletPoint3 : [UNBREAKABLE MATERIAL] Expertly crafted from mineral glass for excellent impact . BulletPoint4 : [VERSATILE ACCESSORIES] for laboratory measuring cup lids and watch lens applications. BulletPoint5 : [AMPLE STOCK] Contains 34 pieces to ensure you are always prepared. Color : Transparent ItemDisplayDimensions_Height : 0.39 centimeters ItemDisplayDimensions_Length : 3.94 centimeters ItemDisplayDimensions_Width : 2.52 centimeters ItemDisplayWeight : 0.18 pounds ItemName : Resistant Watch Glass Lens for Laboratory Measuring Cup Covers - Set of 34 ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 12 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : science-lab-watch-glasses ItemVolume : 1 cubic_centimeters Manufacturer : Zerodis Material : Mineral glass ModelName : Zerodis6oyw7rx0c4 ModelNumber : Zerodis6oyw7rx0c4 NumberOfItems : 1 NumberOfLithiumMetalCells : 1 PartNumber : Zerodis6oyw7rx0c4 ProductDescription : 1. The product adopts very clear, smooth treatment, no scratches, accurate for you to read 2. The surface is smooth, high temperature resistant and has a long service life 3. The product is made of mineral glass material with strong impact 4. Not easy to age, possess and high hardness, used as laboratory accessories 5. Can be used for laboratory measuring cup lids, watch glass accessories, enough quantity included