Test Tube Set: 30pcs 2 x 15cm Glass Test Tube with Cork, 40PCs Heart Shaped Kraft Paper Tags, 10m Rope, 2 Funnels. Enough to meet your multiple needs. Material: The transparent test tube is made of glass, which is strong non-. The bottom of the test tube is smooth, the thickness of the test tube wall is uniform, the transparency is high, it is not easy to break. It can be reused after cleaning. Good conclusion: the natural cork has an excellent tightness. It provides a good barrier against outside air liquids prevents the filling of the tube from escaping. They can also be used in classroom, medical field, laboratory chemical industry. DIY Filling: This flower test tube jar can help you achieve DIY filling decoration. You can use test tubes to store liquid, fill powder, cy, grain, beads, , dried flowers, seeds, coffee beans, etc. decorations gifts: this test tube is very suitable for decoration gifts of parties, such as children's baptism, birthday, wedding, Halloween, Christmas party, etc. You can put your favorite cies or other filled test tubes on the party table room decoration, of course, you can also give blessings as gifts for family, friends, guests, etc. Funnel mouth style rom delivery (don't accept the specified color.) Color: Transparent Material: glass Package Contents: 30 x test tubes 30 x corks 40 x heart-shaped labels 1 x 10m twine 2 x funnels 1 x test tube brush Only the above package content, other products are not included. Note: Light reflection different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is and or - 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.