[SEALING]: Each test tube comes with a suitable push cap to prevent liquid from leaking, the sealed performance is good. [TRANSPARENT]: Clear test tubes can clearly see and identify the internal contents. You can make DIY design by yourself, and great as a gift for your children and friends. [MULTIPLE USE]: Plastic test tubes are perfect for storing candies, nuts, sweets, crafts, samples, liquids and small items. Particularly applicable during storage, decoration, gifts and more. Specification: Color: transparent color + white Material: PS Capacity: 3 ml Size: 12x75mm Package Contents: 400 x Plastic Test Tube with Cap Only the above package content, other products are not included. Note: Light shooting 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 +/- 1-3 cm.