5Pcs 20x100mm Glass Test Tube Flat Bottom Sample Seal Tube with Wooden Stopper Lab Glassware

Specification:
Material: Glass Color: Transparent Shape: Flat Bottom Tube Size (Diamter*Height): 20mm x 100mm Wooden Stopper Size: 20mm (Upper Diameter); 15mm (Lower Diameter)
? Features:
- Glass material, flat bottom. - Wooden stopper, leakage proof. - These transparent glass tubes can be used in many applications, from laboratory glassware to items storage.
? Package Included:
5 x Glass Test Tubes (20x100mm) ? More Details:?