QUANTITY & MEASUREMENT: Quantity: 30 Pack 0.85oz (25ml) Plastic Tube Containers for Beads and Liquid; Size: 20mm (0.78") in diameter, (4.13") in height ADVANTAGES: Plastic Tubes has a Flat Bottom, which makes it easier to stand; Safety Cap can be easily opened and closed, it can stop the items fall out; The hanger on the cap makes it capable for hanging PLASTIC TUBES: Plastic tubes not easy to break; Transparent tubes and outside line can better show you the liquid, or other small projects APPLICATION: Tubes are small and light, easy for carrying with, you can use them for liquid, beads, pins, small stuff, etc WELL-PACKAGED: We use paper box and foam layer to avoid damaging during the shipping, if there is anything wrong, please email us, we will help you