Color Coded Identification: Multi colored graduated centrifuge tube with leakproof caps enable quick sample differentiation, confusion in teaching labs and research work. The 500pcs set multiple color for efficient organization and work enhancement. Precisely Graduated Measurement: 1.5ml capacity and pointed bottom design with clearly graduation markings ensures accurately liquid measurement for chemical experiments and classroom teaching demonstrations. Leakproof Cap: Integrated snapping closure cap design securely seals contents, sample loss during transport or tilted operations. Ideal for mobile lab work and frequent handling scenarios requiring containment. Safe to Use: Made from shatterproof with excellent chemical resistance for long term storage and repeated use. Withstands various laboratory conditions better than standard component prone to break. Packaging: Each light weight package contains 500pcs coloful graduated centrifuge tube (10x41mm each), perfect for high capacity needs in schools and research institutions. Easy to carry and restock while maintaining workplace efficiency.