✅Included: 3 x Heavy Duty 50ml Glass Beaker and 3 x Heavy Duty 50ml Erlenmeyer Flask. ✅Each Glassware is printed with clear scale for accurate measuring. ✅Premium Quality: Glassware is made of high quality, heavy duty, Borosilicate 3.3 glass. ✅Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks ✅Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use. ✅If you need custom order with different sizes/design please contact KingMariot Storefront on Amazon. ✅Safely Packaged to avoid being damaged during transportation.