The quantity is sufficient to meet your paint storage needs, and the self-adhesive label can help you distinguish between them Capacity Size--Our paint uses aluminum tubes with a length of 112mm/4.4 inch and a diameter of 16mm/0.63 inch, which can hold 20ml of paint and are very suitable for artists or beginners Needle Cap Design--Our blank aluminum hose features a convenient needle cap design that not only allows for precise paint distribution and flow control, but also makes it easy and comfortable to use without worrying about opening the lid or accidentally spilling paint Aluminum Material--This empty toothpaste paint tube is made of aluminum, which helps maintain the freshness of the paint and avoid unnecessary leaks during storage and use Widely Used--Empty aluminum paint tubes can be used to store pigments, paints, watercolors, and more. Whether you're mixing custom colors or just transferring store purchased paint to more practical containers, these aluminum tubes are a reliable storage solution Empty Aluminum Paint Tubes The self-adhesive paper we give away can help you mark different aluminum tubes Features convenient needle cap design for precise paint dispensing and controlled flow, perfect for artists and craftspeople Color: White Material: Aluminium Package Contents: 36 * Aluminum Paint Tubes 1 * label 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.