Easy to use: it can be opened by rotating. The ball pen is very convenient to use. The rotating position is at the bottom. Similarly, if you want to replace the pen refill, you can also remove the bottom and rotate the refill to replace it.Smooth writing: The teacher pen writes smoothly, very suitable for taking notes, signing, writing, etc.; If you run out of ink, just take out the refill from the bottom and rotate the refill to replace it; The beaded pen is really convenient to applyMaterial: Made of plastic refills and metal bead rods, the high-quality pen set can be used , office, school, business, etc. It is suitable for children, teenagers, and adults for daily writing, signatures, exams, and note-taking. It is also a good gift ideasFits: Bead pens measure . 5.51 inch/14cm, middle stem is . 5.51 inch/14cm. Measures approximately 2.09 inch/5.3cm long and 0.08 inch/0.2cm diameter, fits most bead holes; Silver Zipper Closure pencil bag measures . 8.66 x 2.76 inches/22 x 7 cm, large enough to hold a penGREAT GIFT PEN: These beaded ballpoint pens make great gifts for birthdays, business events, weddings, holidays, housewarmings, graduations, anniversary celebrations, employee advantage, trade shows, public relations planning, and more.Material: Plastic+Metalcolour: MulticolorPackage Contents:50 x ballpoint pens (5 each in 10 different colors)50 x pencil cases50 x thank you cardsOnly 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.