Key features

• •Test Tubes Size:The plastic tube measures approx 140mm/5.5" in overall length, 138mm/5.4" inside depth, 25mm/0.98" outside dia, 21mm/0.83" inside dia; capacity 40ml
• •Food Safety: Test tubes are made of PET plastic,hard to break. Non-toxic and eco-friendly, no harmful to human. With pressure sensitive film can better prevent moisture and leakage. Clear and no leak
• •Secure Sealed: Each plastic tube comes with aluminum twist off cap to seal, secure and handy, the clear plastic test tubes caps are well sealed to keep stored objects dry. You can just lay it down and stand it on its cap
• •Easy to carry & Space-saving: 25mm test tube rack holder is molded of autoclavable polypropylene. Detachable test tube rack has three-tier design permits convenient insertion and removal of tubes. Each rack features end plates for labeling
• •Multiple Uses: 15Pcs plastic test tubes are perfect for many applications. They are not only for science experiment, like propagate hydroponic plants, the clear test tubes are also useful for holding craft items or home decoration, great for gifts or party favors