Enough to meet your needs: you will receive a total of 100 pieces of plastic bottles; It is enough to apply and replace, and can easily meet your daily use and other requirements. Serviceable and lasting: each plastic tube is made of quality plastic, reliable and durable, not easy to deform or break, and can be used for a long time; The surface of the tube is smooth and comfortable to touch, you can use it with ease and confidence. Proper dimension to apply: the size of these test tubes with lids is approx. 0.63 inch/ 16 mm in tube opening diameter, 5.91 inch/ 150 mm in height without lid, 6.3 inch/ 160 mm in total height, 0.84 oz/ 25 ml in capacity, suitable and convenient to use, without taking up too much space. Good sealing to use: equipped with fitting lids, these candy tubes maintain a good seal without leaking or spreading, you can put candies, liquid, beads, flavorings and so on, bringing you a pleasant and easy using experience. Widely applicable occasions: the plastic tube is suitable for various kinds of occasions, including but not limited to scientific experiments, plant propagation, science parties, carnivals, classroom laboratories and others. Our test tubes are perfect to send to your family members, colleagues and more. They will feel your concern and love, and your relationship will be improved. These test tubes are in transparent color, you can easily and conveniently observe items on them, without opening the lids, saving your time and effort. Color: transparent Material: plastic Package Contents: 100 x Clear test tube Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.