Comprehensive Kit: this package Ideal for organizing inks, conducting experiments, and sorting beads, seeds, or spices Ideal Size: the plastic sample bottle vial size is 2.32 x 0.79 inches/ 5.9 x 2 cm, a test tube rack of 10 x 4.45 x 2.44 inches/ 25.4 x 11.3 x 6.2 cm, the capacity of curved tip syringe is about 12ml; Ideal size makes your use more convenient Functional Test Tube Rack: constructed from high-quality material, this three tiered rack is providing a stable foundation for storage, reliable and , easy to carry, detachable; Its includes directionally aligned slots and a stopper for secure test tube placement, making it a convenient tool Leak Tubes: with a capacity of 5 milliliters and transparent design, these plastic test tubes are ideal for storing ink samples, beads, essential oils, seeds and so on; Their plastic construction ensures sealing to prevent leaks, making them ideal for safe storage in low temperature environments Clear Construction: crafted from high-quality material, the laboratory test tube rack assures clarity and visibility of contents; Its robust construction resists breaking, ensuring safe, easy handling; It's a versatile component that suits laboratory settings, festive decorations, and daily use Color: As Shown Material: plastic Package Contents: 1 * stand set 50 * test tubes 2 * curved syringes 88 * stickers 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.