Material: these empty tube floating pens are made of material and won't easily fall off; At the top of the pens are the empty tubes; In the middle of disassembly, you can fill the gold powder of various colors float into the liquid or scatter it over dry flowers, shells, seaweed, etc. Package: These empty tube floating pens are convenient for writing, and they will last for a long time and may be shared with family and friends, and can be clipped on a pocket or box so as to improve convenience. Instructions: every empty tube floating DIY pen can only be opened by rotating, and the rotating position is at the bottom; Similarly, if you want to replace the refill, you can also remove it at the bottom, and then rotate the refill to replace the refill; Each empty tube floating DIY pen has 2 separate places, namely the middle and the bottom. DIY fun: the empty tube floating DIY pens can provide you with creativity and gives full play to your imagination; You can DIY your own design of the empty tube floating pens between the empty tubes and the lower pen bodies, and you need to prepare glue for bonding the upper and lower relations. Considerate gift: these tube pens feature comfortable grip, smooth handwriting, so they are suitable as festivals gifts, birthday presents, anniversary award, business gifts, or on weddings, family anniversaries, and the celebrations for ing colleagues and friends. Type: Empty Tube Pens Use: Office & School Pen colour:Mixed colors (random colors, no specified colors can be selected) Material:Metal size:14 x 1.0CM Package Contents: 22 x empty pipe pen 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 +/- 1-3cm.