[High-end Material]: Test tube is made of non-toxic and harmless high-quality plastic and natural cork, transparent, well sealed, lighter and stronger than glass test tubes, reusable after cleaning. The additional kraft paper tag, funnel, and string can meet the needs of different scenarios. [Good Tightness]: With cork stopper, the test tube is easy to open and close. Test tubes with corks provide a good dry storage environment, effectively blocking air and liquid to prevent leakage and help keep stored items from spoiling. [Multipurpose Test Tube]: Test tubes with corks are suitable for flower gifts, wedding favors, baby shower supplies, birthday presents, Christmas gifts, crafts, storing candy, bath salts, plant growing, party decorations, and home decor. [Perfect Gift]: Test tube with cork is ideal for decoration enthusiasts. You can place it in a beautiful gift box for a simple and elegant presentation. Based on your guests' preferences, you can use various fillings as souvenirs or gifts. [Plastic Test Tube Set]: Our set includes 60 plastic test tubes (16x150mm, 20ml), 60 natural corks, 30 kraft paper tags, 30 white paper labels, 2 ropes (each 10 meters long), and 2 funnels (the funnel allows for easy filling of items into test tubes). Color: Transparent Material: PS plastic Package Contents: 60 pcs plastic test tubes (16x150mm, 20ml) 60 pcs natural cork 30 pcs kraft paper tags 30 pcs white paper labels 2 pcs rope (each 10 meters long) 2 pcs funnel Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allows an error of +/- 1-3 cm.