Features: Highlighting the PP plastic and leakproof screw cap, this triangular laboratory flask with precisely scales ensures long term use and enhanced safety in laboratory environments, resistant to shattering. Featuring light weight design with stability from its triangular shape, this clear gaduated erlenmeyer flask offer easy portability and durability for various experimental tasks. Ideal for laboratory technicians, student, teacher, and educators in school or professional institutions who need multifunctional laboratory equipment for frequent handling and precisely experiments. Perfect for scenarios such as chemical mixing, sample preparation, or science lab work where tilting or transportation requires spill proof containment and secure handling. With its recyclable PP construction, this clear plastic gaduated lab flask promotes sustainable scientific practices while accommodating diverse applications in research and science education. Specifications: Component: PP Plastic Color: Clear Type: 50ml, 100ml, 250ml, 500ml, 1000ml, Size: Approx. Weight: Approx. 90g-500g Package Includes: 5Pieces Clear Plastic Graduated Flasks with Anti Spill Lids note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color