Plastic material, and safe to use. The ball-point pens are comfortable to hold, and they will last for a long time without fatigue when writing or taking notes. The stylish and decorative bowling makes the ballpoint pen more attractive and more interesting to learn. Features -Color:Assorted Color -Material:Plastic -Size:10.00X2.00X2.00cm/3.93X0.79X0.79in -Free-flowing ink provides smooth writing and painting, portable and lightweight. -Made of plastic material, it is and practical. Fast Dry ink, clean and tidy writing. -The bowling ballpoint pen allows you to effortlessly glide across the paper without dragging. -Enjoy hours of writing with no strain on your wrist or hand with the pen. Enough for your daily use and replacement; also can be shared with classmates, friends, family members or others who need it. You can also present them to you're significant. -Creative and decorative bowling makes it a great present choice for families, friends, students, etc. The bowling pen is mainly made of green plastic, which is , comfortable to hold, and convenient for writing. Package list: 6