Feature: 1. WITH LID: Each plastic test tube comes with a lid to keep it sealed, making it safer and more durable than glass test tubes. 2. CLEAR SCALE: Centrifuge tubes are clearly graduated for accurate sampling, each 10ml pack is easy to use. 3. APPLICATION: Plastic test tubes can be used to store items that need to be kept dry or some liquids, perfect for candy gum storage, scientific experiments, plant propagation, and organizing small objects. 4. 100PCS: There are 100pcs in total, plenty of quantity for a wide range of applications from laboratory analysis to food and beverage service. 5. PLASTIC: Test tubes are made of plastic, which is wear resistant and durable, not easy to be damaged, and can be used for a long time. Specification: Item Type: 10ml Centrifuge Tubes Material: Plastic Size: Approx. 10 x 1.8 x 1.8cm / 3.9 x 0.7 x 0.7in (Manual Measurement Error 0.1 to 0.2cm) Uses: Perfect for Candy Gum Storage, Scientific Experiments, Plant Reproduction, Storage of Small Objects. Package List: 100 x 10ml Centrifuge Tubes (with Lid)