The test tubes are made of high quality heat resistant glass to make your scientific experiments interesting.
The cork can effectively prevent items such as powdered candy from getting wet or oxidized, so that the test tube has a good seal.
These versatile clear glass tubes can be used in many applications, from food and beverage services to festive party decorations, so you can't miss this set!
Size: 19.8 x 20.8cm (7.92 x 8.32 inches)
Material: borosilicate glass
1 set test tubes
Note: Please confirm the size of the tube before purchase and order according to your needs.